(v.)The act of one attempting to prohibit another playa from gettin some neck or any other means of sexual activity
Yo son u see dis nigga tryina cock block a nigga.

ay yo u see my man over here cock blockin??
by gankzta July 12, 2003
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to be unaware of the fact that your the third wheel, or to constatly be keeping a couple from going into "cake mode"
to purposally keep a couple from caking or two people from flirting
girl 1: hey, look at dave & kirston..
girl 2: haha, their tryig to be alone!
girl 1: too bad tyler isn't letting that happen, he's cock blocking!!
girl 2: yeah! i mean, obviously they came here to cake, not so they could listen to tyler talk about his "issues" ?! haha
by &roni;hollaaa April 30, 2009
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An act of obstructing one person's advances towards another or preventing a person from action, especially sex.
BABY MAMA: I'm talking to this guy now name Terrence. He's a nice and comical guy.

BABY DADDY: You gonna have to cut that man off, I don't care if he's nice or not, he better not be in the picture.

BABY MAMA: Oh, now you wanna cockblock for the simple fact that I moved on without your sorry ass.
by Mr. Terrence L. Trezvant December 3, 2004
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(n.) one who prevents another from getting "play", "poontang", etc.
(v.) any action that impedes or stalls another's "game", "mack", or "pimp manuver"
(n.) I was dancing with this girl, when this cock-block stepped in between us and started grinding with her.
(v.) I had finally convinced Susan to go to my friend's keg party with me, when my Dad cock-blocked me by taking away my car keys.
by MCKREWGA September 14, 2003
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When a friend of yours calls you while you are about to get it on, or when someone comes in while you and your partner are about to have intercourse and keeps you from it by talking, making noise, etc.
Dude, don't call me. Stop cock-blocking!
by Trey Smart December 7, 2007
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If your a pedophile he is the definition of a cock block.
by jayleeb August 10, 2008
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1. When someone breaks up a chicken fight.
2. When someone stops someone else from having sex
guy 1: chicken fight is over! stop having sex with her!
guy 2: Holy fuck! Double cock block!
by High on speed November 13, 2009
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