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someone who prevents others from pulling
(doing a mark)
Guy - Hey, do you want a drink?
Girl - Yeah, sure
COCK BLOCK MARK - YEEAAAH, THREE POINT ONNEEE
Girl - *Leaves*
by Anonymouswindsor3.1 October 27, 2010
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8
Anyone or anything that gets in the way of you getting some. The cock-block can be male,female, or inanimate. Many cock-blocks can't get any themselves so they try to stop somebody else. If they ain't scorin' nobody's scorin'. No scene is too embarassing in their undying quest to prevent your action. If your buddy's a cockblock don't bring him or her.
1. My old boss, Bob is such a cock-block. He won't let any of us guys chat with the female employees.

2. My car was a cock-block. It broke down on my way to the party so I couldn't go and possibly hook-up. I had to wait for the tow-truck to come and tow me home.
by DennisIsEvil February 28, 2006
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9
Trying to prevent someone from getting a woman/piece of pussy that someone else is trying to get.
I am talking to that blond chick, and that asshole cock blocks me, trying to get her for himself.
by Alabama Atheist August 19, 2006
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10
To prevent one's friend from scoring, usually by acting inappropriately in front of some sweet ass.
You're being a total Cock Block, Andy, stop doing blow on the table in front of these fine pieces of ass.
by Aneiz November 25, 2005
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11
what harry potter does on the regular to ron and hermione, literally almost everyday
whooaa did you see that cockblock the other day?

yeah i can't believe harry put his arm around hermione like that, ron was totally about to make a move
by ashsal June 24, 2011
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12
1. To interfere with a man's attempts to seduce a woman.

2. abbr. Cockblocker(n.)
I was putting the move on this chick and Ralph showed up and cockblocked me.
by Anonymous February 06, 2003
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13
When you're hanging out with a girl, and one of your friends tries their hardest to split you and the girl up as a joke. This makes your friend a cockblock.
Clayton: Hey so do you maybe wanna-
Colton: LET'S GET OUT OF HERE DUDE!
*The girl Clayton is talking to leaves.

Clayton: Thanks cockblock.
by Benqueedo Man October 21, 2016
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