cock-blocker

A male in a group of female friends who's job is to stop other males trying to score with the females in the group. Done purposely because the girls either already have a boyfriend or just don't want to be annoyed that night.

The cock-blocker can be either a male friend, or someone hired (almost like a bodyguard).

Popular methods of the cock-blocker include:
* Switching places with the female.
* Grinding with the offending male.
* Kissing the female to let the male know she is unavailable.
* Jumping in between the male and the female.
* Shoving the male, or squaring up to him.
* Warning him off with gestures.
John became the designated cock-blocker for the night after Mandy decided to go out with the girls and didn't want to be pestered by guys.
by Cock-Block-Pro March 29, 2009
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cock-blocker

A female (usually unattractive, or socially "defective") that stays with her more attractive friend at a party and "looks after" her friend, or just sometimes gets in the way of her friend socially. Often times a young (not necessarily) male would be after the friend.
Male #1: D'you see Jenny las nigh'?
Male #2: Yea, D'you see tha cock-blocker she was with?
by Jupiter, an don forgetit October 12, 2005
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cock-blocker

A person who is a hater and/or jealous and blocks, distracts, gets in the way of a person about to get lucky so that the act never happens. A person who ruins a good thing for another person. A distraction someone uses to gain the attention of someone who is not giving them the time of day, or is giving their attention to someone other than them.
Carolyn is so jealous she is a cock-blocker to anyone and everybody. Why are people such haters and have to be cock-blockers? My ex is a cock-blocker with every guy I talk to.
by Prinzess10 December 09, 2013
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cock blocker

when someone interupts you before or during sexual intercouse.
omg trent is the biggest cock blocker i was about to get in
by j.mac-z@suckonit.com July 15, 2009
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Cock Blocker

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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cock blocker

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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cock blocker

An individual that prevents someone from hooking up intentionally or unintentionally.
Paul is a total cock blocker. That guy is like a giant cock blocking robot developed in a secret fucking government lab. I was about to hook up with Lily and he ruined all my hard work.
by Lightweight Nate October 12, 2009
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