cockblock

This is the act of a good male friend (or sometimes a boyfriend) moving closer to a female friend of his or even dancing with her so that a sketchy, unknown man does not start to get too close. This act is often performed in crowds (ie. clubs).

Often times, if there are more than a 1:1 ratio of guys to girls, a single guy may have to cockblock for many of his female friends/companions.

This is usually appreciated by the female, who generally thanks the male in the cab ride back.
That sketchy guy was hitting on my friend so I had to act like her boyfriend, thus cockblocking that sketchy guy from grindin on my friend!
by Amaan July 26, 2005
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cockblocker

The less attractive of the two. She'll ruin your approach, flow, and groove. She will stand in the way of you making your move. Insert your best friend to run interference for a couple of plays. Get some and then break up with the girl saying that you don't want to see her anymore because of her annoying friend. Problem becomes solution.
John blocked the cockblocker so I could knock it with Cheryl. John ditched the cockblocked after eating all the candy bars that she had in her purse. I got laid and then broke up their friendship (for her own good) and now it's Saturday.
by Christopher Handsome March 28, 2003
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cockblocker

one who prevents one from engaging in pleasurable experiences with another person.
this scenario generally happens when the "cockblocker" is jealous because THEY aren't getting and if they can't have any then neither can you.

cockblockers come in many different forms. Such as the one upper, the show off, the moneybags, the never ending bullshitter and the man with the stuff.

ex "dude! why you gotta bring up old shit. i was totally about to hit that. you're such a cockblocker"

ex "i was totally about to bone my girlfriend, and then Nathan showed up and she said there was no way"
by the DanL March 17, 2010
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cockblock

to be blocked while trying to get some action
while i was running my game on sam, rotunda jones( her fat friend) tried to cockblock me
by Mr 1 derful September 29, 2008
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Cockblocker

Someone who prevents you from getting some, such as Aaron Disease.
That cockblocker kept following us around.
by byahhh October 12, 2006
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cockblock

to get in the way of 'play'.
Hey ugly third-wheel person, don't cockblock.
by noelle April 22, 2003
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cockblocker

walking in a room asking for cheesepuffs while two people try to get there GAME ON!
christian walks into rebeccas room while rebecca and andy are trying to get it on.
he asks "rebecca do u have any cheesepuffs in your magical fridge of hope and wonder?"
rebecca says "uhh...noo"
and andy says "dude! stop being a cock blocker!"
christian get mad because andy called him a cockblocker and he couldnt get his dangg cheese puffs.
by kelly,krystine&bridgette January 02, 2008
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