Adult Movies 4 Tgp - true submitted amateur porn uploads

Only the hottest that sexy cock smut uploads land here. Relish thousands of user submitted pics and vids of that sexy cock and swing by tomorrow for fresh stuff!

Mmm I would love to lick your pussy clean than slide my hard cock strait in you after n fuck u so deep n feel that sexy pussy milk my cock till we both cum together
mmm i would love to lick your pussy clean than slide my hard cock strait in you ...
Hell yes I would. I enjoy fucking doggy that way I can get my cock right in by at least another inch and I could hold onto your sexy hips and pull you onto my cock a I fucked you deep and hard xxx
hell yes i would. i enjoy fucking doggy that way i can get my cock right in by ...
Is there a glory hole in that wall, goddess, cause my cock is over here, oh sexy divine one ;)
is there a glory hole in that wall, goddess, cause my cock is over here, oh ...
I love looking up a sexy skirt and seeing hot knickers and dream of the sweet pussy that lies beneath. And I know yours is just cock hardeningly sexy 😍
i love looking up a sexy skirt and seeing hot knickers and dream of the sweet ...
Oh fuck....I'd love having a picture of a hard cock cummng sent to me.  That is so sexy...I love watching cum shoot or ooze out of a mans cock.  That's so delicious.  K
oh fuck....i'd love having a picture of a hard cock cummng sent to me. that is ...
it's soooooooo sexy that you love being watched as you suck cock!  You're a wonderful cocksucker!
it's soooooooo sexy that you love being watched as you suck cock! you're a ...
i love you. Very sexy! Thank you for your nice to see.
Your man is lucky.
 I want that to be my cock. You are wonderful
i love you. very sexy! thank you for your nice to see. your man is lucky. i ...
mmmmmmmmm mmmmmmmmmm i would love to have you ride my cock like that anytime sexy!!!
mmmmmmmmm mmmmmmmmmm i would love to have you ride my cock like that anytime ...
hmmm we luv those sexy eyes and hubby is sat here drooling and imagining that mouth is wrapped around him... on the other hand I'm imagining wrapping my mouth around that beautiful cock ... yummy x
hmmm we luv those sexy eyes and hubby is sat here drooling and imagining that ...
very sexy and that is a beautiful wet pussy! would love to help you use that cock while you sucked mine! very hot!!!
very sexy and that is a beautiful wet pussy! would love to help you use that ...
Jeez guys that is so fucking sexy. Would love to sink my rock hard cock up your arse guy while you're doing your wife.
jeez guys that is so fucking sexy. would love to sink my rock hard cock up your ...
you hear that knock on your door?  come on baby open up  it me ready to come spend the night with you .........that cock is ready for some sexy fun......shall lick and suck it for you first?
you hear that knock on your door? come on baby open up it me ready to come ...
I´ll be damned! That sexy bitch sure knows how to suck a cock!!!
i´ll be damned! that sexy bitch sure knows how to suck a cock!!!
Mmmmmm...
So gentle in licking..! And..very sexy lingerie! Gloves give a classy touch..
Nice cock! ;-)  It seems impatient to enter in that lovely mouth..! ;-)
mmmmmm... so gentle in licking..! and..very sexy lingerie! gloves give a classy ...
Very sexy...god I wish I could have my cock sucked just
Like that
very sexy...god i wish i could have my cock sucked just like that
Man, you are one sexy turn-on with that bod and cock!!!!!
man, you are one sexy turn-on with that bod and cock!!!!!
I want to spank the head of my cock on that nice rund ass and blow my load on that sexy thing!
i want to spank the head of my cock on that nice rund ass and blow my load on ...
Luv 2 watch my sexy Wife Suck n Fuck that HOT Cock!!!Luv 2 CUM all over it while U were Fucking Her Cock Hungry Pussy!!
luv 2 watch my sexy wife suck n fuck that hot cock!!!luv 2 cum all over it ...
love to see you sucking me & that cock untill we both cum over your sexy face
love to see you sucking me & that cock untill we both cum over your sexy ...
Would love to slide in behind that sexy ass and slip my cock right in there.
would love to slide in behind that sexy ass and slip my cock right in there.
Mmmm I'd love to catch you like that, would bend you over that fence and ram my big thick cock up your pussy while you wanked your hubby's dick over your big sexy tits ;P xxxx
mmmm i'd love to catch you like that, would bend you over that fence and ram my ...
mmm I'd love to run the head of my cock up and down through your slit between those sexy cuntlips and get that cum all over my cockhead, then move up to your ass and use it as lube to fuck your ass baby.
mmm i'd love to run the head of my cock up and down through your slit between ...
Can i fuck that pussy mmmm need my hard cock in there. what a sexy site mmm
can i fuck that pussy mmmm need my hard cock in there. what a sexy site mmm
Mmmmm, nice....I love how your sexy cock looks dangling there for me to fondle and suck on...I'd lift your cock....suck on your balls then slip that sweet cock into my mouth and SUCK you off.  Mmmm, that makes my pussy wet.  K
mmmmm, nice....i love how your sexy cock looks dangling there for me to fondle ...
We love watching that hot lady's sexy lips wrapped around that nice, thick, hard cock(^_~)  Very hot pic.
we love watching that hot lady's sexy lips wrapped around that nice, thick, ...
Thats a girl, suck that cock deep.  I bet you swllow too don't you?  I love seeing a woman suck cock.  They look so sexy with a cock in their mouth.
thats a girl, suck that cock deep. i bet you swllow too don't you? i love ...
Mmmm, that is so sexy....your lady holding your cock and jacking you off.  I'd do that and then put my mouth over it as you start cuming and get it all. I love eating cock in the morning...MILF K
mmmm, that is so sexy....your lady holding your cock and jacking you off. i'd ...
That's a lucky cock, I'd love to feel those hot sexy feet and toes rub and slide along my hard throbbing cock
that's a lucky cock, i'd love to feel those hot sexy feet and toes rub and ...
Wow you have a fantastical big dick and I would love to watch that pleasure my sexy little cock loving wife in every way possible. You could fill her sweet pussy with your hot sex juice and I would be a good cuckold and clean her up when you had finished with her and she was sucking your big cock clean !.... God I wish
wow you have a fantastical big dick and i would love to watch that pleasure my ...
your cock and body are so fucking sexy. I'd love seeing you make out with my wife....ummm that would be so hot
your cock and body are so fucking sexy. i'd love seeing you make out with my ...
that is a Great Cock! it looks soooo sexy jutting out of those lovely panties!
that is a great cock! it looks soooo sexy jutting out of those lovely panties!
nice wide ass and thick thighs, but i love that cute little innie pussy... those lips would look so sexy wrapped around this big cock
nice wide ass and thick thighs, but i love that cute little innie pussy... ...
Fuck, I could suck the cum right out of your delicious hard cock.  That is such a sexy shot.  Oooooh that cock looks sooooo hard.  K
fuck, i could suck the cum right out of your delicious hard cock. that is such ...
Hottt! Would love for you to fuck me with that sexy cock right in front of my cuck BF! Then we can make him lick both of us clean after you unload your hot cum in my tight little pussy ;) Grab his head and have him lick your balls and tongue your asshole while you're stretching me out from behind :)
hottt! would love for you to fuck me with that sexy cock right in front of my ...
MMMM very sexy Latina pussy that I would love to stuff with my hot thick white cock.
mmmm very sexy latina pussy that i would love to stuff with my hot thick white ...
She really loves to suck hard cock and swallow that pre-cum with pleasure. What a sexy and great woman to spend most of her time feeding on cock and cum every day. She's a keeper.
she really loves to suck hard cock and swallow that pre-cum with pleasure. what ...
mmm i love me a dity lil whore, first we can start by taking out that butt plug and replacing it with a load of hot cum
i want to stretch out your tight little holes
id love to feel your juices dripping down my throbbing cock, you sexy little cum dumpster
mmm i love me a dity lil whore, first we can start by taking out that butt plug ...
That is so sexy and delicious....I would have fun eating your cock and cum.  MILF K
that is so sexy and delicious....i would have fun eating your cock and cum. ...
Wow hun, u r so hot and sexy!! love that pic, loks like u r having a great time!! full of that cock, nice...
wow hun, u r so hot and sexy!! love that pic, loks like u r having a great ...
Oooooh fuck, that is one sexy and very delicious cock.  I'd love to lick that off of your cock and suck you off.  Mrs. K
oooooh fuck, that is one sexy and very delicious cock. i'd love to lick that ...
dam shes gorgeous and sexy as hell wow. dam wish she was sucking me like that.  wish she was sucking my thick cock like that shes just gorgeous.
dam shes gorgeous and sexy as hell wow. dam wish she was sucking me like that. ...
Very sexy!  We would have loved to see her take that big black cock bareback!  Maybe next time?  Love her nipples too!
very sexy! we would have loved to see her take that big black cock bareback! ...
Grab a hold of those sexy hips and fill that gorgeous ass full of thick hard cock.
grab a hold of those sexy hips and fill that gorgeous ass full of thick hard ...
Mmmmm, I'd love to be in between your legs sucking on that sexy hot looking cock.  Would you let me nurse on that big headed cock for as long as I wish?   I know I can make you cum.  Wanna watch me swallow that cock and your cum?  MILF K
mmmmm, i'd love to be in between your legs sucking on that sexy hot looking ...
Mmmmm, yeah...and did you fuck her brains out...and let her taste your hard cock....you know I would have.  I wouldn't pass up any opportunity to tap that hot sexy lady. Ooooo, I'd love to suck on your wife.  G

My wife, K says she'd enjoy sucking your cock.  K & G
mmmmm, yeah...and did you fuck her brains out...and let her taste your hard ...
mmm would love to enjoy that gorgeous pussy and super looking cock! you two are VERY good looking and sexy! Thanks for sharing xxx
mmm would love to enjoy that gorgeous pussy and super looking cock! you two are ...
Such a lucky guy to have such sexy feet rubbing your cock like that! Great vid :)
such a lucky guy to have such sexy feet rubbing your cock like that! great vid ...
Yes she can suck a cock like a pro. The only thing that would be better is seeing her sucking three cocks at the same time. Going down on one and jerking the other two. Give each guy a little head.to heep them hard and ready to cumin her mouth and face. Then seeing them slpit roast her hot sexy body from both ends
yes she can suck a cock like a pro. the only thing that would be better is ...
Mmm yes I do love for you to ride my cock like that and bounce your sexy ass like that on my throbbing cock, love to feel you squeeze my cock with your wet pussy lips
mmm yes i do love for you to ride my cock like that and bounce your sexy ass ...
I would just love to grab a hold of those sexy hips and spend a couple of hours pounding that gorgeous ass full of thick hard cock.
i would just love to grab a hold of those sexy hips and spend a couple of hours ...
Oh yes darlin' you're a fine and sexy little thing. I'd like to gently rub my dick and balls over your ass, hold you down firmly and spreading your legs a bit, push my cock inside that young tight fuck hole of yours. I hope that's not too forward of me to say without having properly been introduced to you. But you asked! lol
oh yes darlin' you're a fine and sexy little thing. i'd like to gently rub my ...
Wow you have a fantastical big dick and I would love to watch that pleasure my sexy little cock loving wife in every way possible. You could fill her sweet pussy with your hot sex juice and I would be a good cuckold and clean her up when you had finished with her and she was sucking your big cock clean !.... God I wish
wow you have a fantastical big dick and i would love to watch that pleasure my ...
Just squat there like that and let me lick and suck your delicious pussy,lap up your sweet juice making you cum and cum and cum until your sexy legs give out and you collapse on the floor and then I'll continue to suck your swollen clit until you beg me to fuck you with my thick,rock hard cock!
just squat there like that and let me lick and suck your delicious pussy,lap up ...
OMG!  That is so fricking sexy.  I would love to suck on that cock.  I love seeing a cock with cum oozing out of it.  Deliciious, that is so delicious.  K
omg! that is so fricking sexy. i would love to suck on that cock. i love ...
Damn!!! That is a delicious cock. Cum sweetie pull that hot sexy cock and just cum, cum, and cum.  I love it.  So many orgasms from that gorgeous cock is enough to make this woman's pussy get very wet. I can touch my clit and feel how hard it get from watching you and touching it.  You cum so much and I love watching you do it.  MILF K
damn!!! that is a delicious cock. cum sweetie pull that hot sexy cock and just ...
I'm ready for every and any session of you touching that sexy cock of yours...Mmm got that ball strap on.  Go sweetie, cum all over her picture. Oh you just gotta do that for me.  I'd never get tired of seeing you do that. Love your hot load and your beautiful cock.  K
i'm ready for every and any session of you touching that sexy cock of ...
Oooooo, you're my kind a woman....let'em have a hot view of that sexy naked body.  Would you go as far as sucking on my cock while they watch as they went by?  G
oooooo, you're my kind a woman....let'em have a hot view of that sexy naked ...
You're teasing myself a lot dress up with that sexy outfit! My cock is rock hard right now!
you're teasing myself a lot dress up with that sexy outfit! my cock is rock ...
Nice wish my cock was n that Sexy ass instead mmm
nice wish my cock was n that sexy ass instead mmm
mmmmm I'd love to feel that sexy mouth around my cock....and then shoot my hot load in it...
mmmmm i'd love to feel that sexy mouth around my cock....and then shoot my hot ...
MMMMMM MMMMMM THAT LOOKS SOOOO SWEET and TASTY!!! I WOULD LOVE TO LICK and SUCK ON YOUR SWEET TIGHT PUSSY and HARD CLIT TIL YOU CUM IN MY MOUTH THEN SLIDE MY ROCK HARD COCK IN TIL YOU CUM AGAIN ANYTIME SEXY!!!
mmmmmm mmmmmm that looks soooo sweet and tasty!!! i would love to lick and suck ...
Wow! I'd really love to rip that catsuit off you as I rubbed my cock up and down your sexy legs.
wow! i'd really love to rip that catsuit off you as i rubbed my cock up and ...
Great sucking and such a sexy woman- like to be on my knees behind you sliding inside you while you suck that cock
great sucking and such a sexy woman- like to be on my knees behind you sliding ...
Ummm, you look so hot and sexy getting pounded like that.  Hubby wishes it was his cock pounding that juicy pussy and I'm thinking that I would love to be pounded from behind by that cock.  K and G
ummm, you look so hot and sexy getting pounded like that. hubby wishes it was ...
mmmmmmmmmm! Love for you to stroke my cock and jerk me off into that sexy mouth of yours!
mmmmmmmmmm! love for you to stroke my cock and jerk me off into that sexy mouth ...
love this pic of her, she looks so beautiful and erotic. Makes me want to stand behind her, run my hands up those smooth thighs, over that round, sexy ass, up her back, unhook her bra, reach around to cup and massage her tits as I press my hard cock on her pussy lips, the two of us grinding, her lips going up and down my shaft, getting it wet then me spreading those legs, taking my cock, rubbing the tip on her lips, pushing past them and filling her, going all the way in as she gasps and I moan
love this pic of her, she looks so beautiful and erotic. makes me want to stand ...
Kiss them softly, Take each nipple under my tongue, one at a time. Then when your nipples are nice and hard I would slide my now throbbing cock right down the middle of your sexy cleavage in hopes that you would suck on my head with every thrust of mine. Eventually releasing my warm load all over your sexy neck and pretty face.

Next question?
kiss them softly, take each nipple under my tongue, one at a time. then when ...
You are so fucking sexy. I would love to see that pretty face with my cock in it and those sexy hands wrapped around me
you are so fucking sexy. i would love to see that pretty face with my cock in ...
start slowly licking /nibbling my way up those sexy thighs while my hands caress that awesome ass as my tongue nears those sweet cheeks i'll lick and kiss every inch of that sexy flesh then spreading that crack i'll run my tongue up and down that sweet crack stopping to lick circles around that hot asshole probing my tongue deep inside i'll work my fingers into your hot pussythen i'll insert a finger into your tight asshole and with a finger in each hole i'll massage the thin membrane between your ass and pussy after you cum i'll slide my cock in between the crack of your ass cheeks and slowly dry hump that beautiful ass crack and when i can't take it any more i'll slip my cock into that tiny ass hole and fuck you hard        only to pull out and cum on your sexy back ,then i'll turn you over and start on your front
start slowly licking /nibbling my way up those sexy thighs while my hands ...
Get pic of her sexy hot body and yes that is my raging hard cock about to slide in her from behind right out on the balcony hearing her sounds of pleasure and the eruption of my massive load of cum while the beachgoers are down below!
get pic of her sexy hot body and yes that is my raging hard cock about to slide ...
i want more then some!  I want all of you!!  I would love to lick and taste that sexy sweet puss of yours!  Not to mention pound you with my hard cock!  And to end it all i want to suck on those sexy nylon clad toes of yours!
i want more then some! i want all of you!! i would love to lick and taste ...
Hell yes I would. I enjoy fucking doggy that way I can get my cock right in by at least another inch and I could hold onto your sexy hips and pull you onto my cock a I fucked you deep and hard xxx
hell yes i would. i enjoy fucking doggy that way i can get my cock right in by ...
Loved the way you got that cock good and hard! Very sexy cock and show!
loved the way you got that cock good and hard! very sexy cock and show!
damn my cock throbbed I would of slid my cock right in that sloppy cum filled box and blew a huge load two strokes later!very very hott!sexy hussie!gets my cock rigid!
damn my cock throbbed i would of slid my cock right in that sloppy cum filled ...
MMMMMM MMMMMMM THAT LOOKS SOOOOO SWEET and TASTY..
I WOULD LOVE TO LICK and SUCK ON YOUR SWEET TIGHT KITTY and HARD CLIT TIL YOU CUM IN MY MOUTH A FEW TIMES THEN SLIDE MY ROCK HARD COCK IN TIL YOU CUM AGAIN ANYTIME SEXY!!!!
mmmmmm mmmmmmm that looks sooooo sweet and tasty.. i would love to lick and ...
OMG HUN I WOULDLOVE TO HAVE YOU SUCK MY COCK DOWN LIKE THAT ANYTIME SEXY!!!
omg hun i wouldlove to have you suck my cock down like that anytime sexy!!!
I just want to lick you until you scream for mercy!  And then slide my bare cock deep inside and fill you with live, potent sperm!  Damn that is a sexy picture!
i just want to lick you until you scream for mercy! and then slide my bare ...
That's a pretty sexy cock...I'd enjoy sucking it and letting you slide it into my pussy....filling me with all your warm cock cum.  K
that's a pretty sexy cock...i'd enjoy sucking it and letting you slide it into ...
those seamed stockings get me so hard!now I'm hard I'll have to put my cock somewhere nice warm and wet,how about that sexy pussy?Love this new pic!
those seamed stockings get me so hard!now i'm hard i'll have to put my cock ...
I'd love to bury my face between your legs and feels those beautiful balls on me as I lick you, suck on that sexy cock, and maybe take a little taste of down below
i'd love to bury my face between your legs and feels those beautiful balls on ...
I would lick away at that sexy pussy for a while and then ram my cock in it and fuck her hard at the same time as sucking those big tits until i exploded and filled her bely with my hot cream !
i would lick away at that sexy pussy for a while and then ram my cock in it and ...
I want to pull that hot cock of yours out and suck you dry sexy
i want to pull that hot cock of yours out and suck you dry sexy
I definitely think she needs a second cock to lick and suck and cum in and on her at the same time. She looks truly lovely by the way with that cock in her mouth - a truly lovely sexy woman :)
i definitely think she needs a second cock to lick and suck and cum in and on ...
I like this shot. Your cock is nice n swollen in the tube like that. Sexy!
i like this shot. your cock is nice n swollen in the tube like that. sexy!
I love your round sexy ass! That's a nice thick cock you are enjoying there!
Did he squirt inside or pull out and cum all over your bottom?!
i love your round sexy ass! that's a nice thick cock you are enjoying ...
Oh what I wouldn't give to have your wonderful breasts wrapped around my stiff cock. I'd love you to feel me pulse & fountain over your cleavage & neck, those sexy green eyes looking up at me & that naughty grin on your lips, perhaps with a small bead of my cum resting on them after you kissed the tip after my climax subsided. X
oh what i wouldn't give to have your wonderful breasts wrapped around my stiff ...
she is awesome and fantastic, damn i love how she spreads wide and hold her ankles and pinch her tits, damn whata turn on i have to jerk off every time, that pussy si ready damn i want her, but then i bet everyone does, that pussy really needs my thick cock! lol damn so sexy and awesome how she arch her prettyt feet and talk dirty, damn she iks PERFECT!
she is awesome and fantastic, damn i love how she spreads wide and hold her ...
That Sexy Cock
9in cock 9in cock deep Amazing cock Around his cock Around that cock Around your cock Awesome cock Bare cock Bare cock inside Beautiful cock Best cock Bet his cock Big cock Bigger cock Black cock Brown cock Chocolate cock Clean cock Cock aching Cock against her Cock all night Cock bollock Cock buried Cock crazy hard Cock cream Cock cumming Cock down Cock dry Cock enjoying Cock entering Cock explode Cock feel hot Cock feels Cock first Cock fucking Cock full Cock gets hard Cock getting hard Cock getting ready Cock growing bigger Cock hanging Cock hardening Cock head Cock hole Cock hungry Cock inside her Cock inside you Cock into her Cock into that Cock into you Cock juice Cock laying Cock look Cock looks delicious Cock looks good Cock looks great Cock loves Cock loving Cock meat Cock out Cock outdoors Cock over her Cock pic Cock pics Cock picture Cock pictures Cock please Cock plus balls Cock pounding Cock pump Cock pumping Cock pushing Cock raging Cock really hard Cock resting Cock right now Cock ring Cock rings Cock rising Cock rubbing Cock shaft Cock shoot Cock shooting Cock shot Cock slap Cock slide Cock slides Cock sliding Cock slipping Cock slowly Cock slut Cock standing Cock starts teasing Cock sticking Cock stretching Cock stuffed Cock sucked Cock sucker Cock sucking skills Cock throb Cock throbs Cock thrusting Cock tribute Cock twitching Cock wanting Cock watching Cock while looking Cock while watching Cock whore Cock would feel Cock would fit Cock would look Covered cock Cum filled cock Curved cock Cut cock Dangling cock Delicious cock Delicious looking cock Down your cock Dripping cock Eat that cock Entire cock Erect cock Excellent cock Fantastic cock Fat cock Fat cock deep Fat cock inside Favorite cock Feel that cock Feel your cock Fine cock Friends cock Fuck that cock Fucking cock all Get his cock Give your cock Gobble that cock Good looking cock Gorgeous cock Great cock sucker Great looking cock Hairy cock Handsome cock Happy cock Hard cock Hard cock anytime Having your cock Headed cock His cock feel His cock head His cock inside His cock out Horny cock Hot cock Hot looking cock Hubbies cock Hubby cock Hubbys cock Huge cock Hung cock Husbands cock Impressive cock Juicy cock Large cock Lick that cock Lick your cock Licking cock Licking his cock Lil cock Limp cock Little cock Long cock Love cock Love his cock Love that cock Love your cock Lovely cock Lubed cock Lucky cock Magnificent cock Make that cock Mans cock Massive cock Mature cock Mean cock Meaty cock Morning cock Need cock Need some cock Needs cock Nice cock Nice looking cock Off your cock Oiled cock Old cock Over his cock Over your cock Own cock Perfect cock Pierced cock Pretty cock Pull your cock Pulsating cock Pumped cock Put his cock Put that cock Real cock Relaxed cock Ride his cock Ride that cock Ride your cock Riding cock Riding his cock Riding that cock Rub your cock Rubber cock See that cock Seeing your cock Sexy cock    - Hot sexy cock    - Sexy cock picture    - That sexy cock    - Very sexy cock    - Your sexy cock Shaped cock Shaved cock Shaven cock She loves cock Short cock Shove your cock Slide his cock Slide your cock Slip his cock Slip your cock Slippery cock Small cock Smaller cock Smooth cock Soft cock Stick your cock Stiff cock Strangers cock Stroke his cock Stroke that cock Stroke your cock Stroking cock Stroking your cock Strong cock Stunning cock Suck cock Suck his cock Suck that cock Suck your cock Suckable cock Sucked his cock Sucking cock Sucking his cock Sucking that cock Sucking your cock Sucks cock Sucks your cock Swallow that cock Swallow your cock Sweet cock Swollen cock Take that cock Take your cock Taking cock Taste your cock Tasty cock Tasty looking cock Teasing his cock That cock deep That cock hard That cock head That cock looks That great cock Thick cock Thick cock deep Throbbing cock Throbbing cock between Throbbing cock deep Throbbing cock inside Throbbing cock into Tied cock Tiny cock Tongue cock Uncut cock Unprotected cock Veiny cock Want that cock Want your cock Warm cock Wet cock White cock Whole cock Wonderful cock Work that cock Young cock Your cock clean Your cock deep Your cock growing Your cock head Your cock inside Your cock into Your cock looks Your cock out Your cock pictures Your cock rising Your cock sliding Your cock sucked Yummy cock