Top definition
someone who prevents someone from getting sex.
by Joey March 20, 2003
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2
A person (male or female) who intentionally or unintentionally stops the progress of two others getting their game on.
The dude and some fine-ass woman were gettin' their game on when KGB showed up fucked up and put his arms around them. He didn't even know he was being a cock blocker
by MrTea6 June 22, 2003
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3
Cockblocker: 1. (noun) a female friend who accompanies another female friend to planned meetings with a male peer, to ensure that the sista does not get into trouble;
2. (Noun) a male who interferes with another male's attempt to freak the woman whom the former either wishes to protect as a friend, or is already pursuing himself;
3. (Verb) to cockblock: basically, to interfere, by way of one's mere presence, with the attempt of one person to freak another
1. Jill "Jane, I really need you to come along tonight as my cockblocker so I don't do anything I would later regret.
Jane "Sure"
2. I made my move toward that hottie Jennifer with the thought of grinding with her. That cockblocker Alex cut in and got it first.
3. Alex cockblocks all the time
by Doobie Smokes You December 02, 2004
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4
An insecure asshole who does not have the balls to open a conversation with a woman, but will not hesitate to butt into any interaction already in progress. They will then proceed in destroying any chance of a hook-up. Most times, what they refer to as "their game" is so poor that not only do they fuck up YOUR prospects they end up scaring away the "prey" to another table or "Lance Goodthrust" at the other end of the bar. They are the most effective birth control device known to mankind. Stay away from these people or become a monk where you'll have just as much opportunity for getting some pussy.
You're talking to a hottie that you've managed to cut away from her heard. You're just about to "close the deal" with a number or invite to a more secluded place ie. your car, when "CB" shows up and hangs over you both like a plague from God or bad breath or herpes. The conversation, which had been flowing with magical bullshit, becomes strained and uncomfortable. She mentions that "it's getting late" as she eyes the safety of the heard. Her departure is followed by, "She was a bitch anyway!" from the asshole who's just ruined it for you. You supress the urge to punch him in the liver, move to another part of the bar where you start again in the hopes that he cannot find you. For surely he is the Devil.
by Sebastien June 07, 2005
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5
A person who interferes with anothers chance of geting laid.
Spoon is the biggest cockblocker of them all.
by Anonymous October 05, 2003
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6
A perosn male or female who intentionaly or unentenionally disrupts
(block) somebody from spittin game, getting someones number,or hooking up.
A.K.A. an annoying ass friend
1.) you could be at a bar talking to the best looking girl in the joint, and this girl might be all about you too, but then your drunk buddy who happens to be a blocker rolls up on the scene and starts falling all over the place, making you look like an asshole and scaring her away. That's a cock blocker.

2.) you might be in a bedroom with a girl about to get a piece and then all of the sudden, your buddy starts banging away at the door for no reason. He just wants to figure out a way for it be as hard as possible for you to get some. That's a cock blocker

examples courtesy of TwanDiggity
by she_so_sexy06 May 01, 2005
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7
Someone who blocks you from gettin with a girl
Emanuel cockblocked me at the mall today
by InFaMouS March 28, 2003
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