when you are going to hookup with some chick and then someone (her friend, cousin, whatever) comes in and sees to it that it doesnt happen
by jim June 5, 2003

by Anonymous October 5, 2003

1. To prevent a male friend or associate from getting some action.
2. Any such attempt to prevent a male friend or associate from getting some action.
2. Any such attempt to prevent a male friend or associate from getting some action.
1. Damn, Johnny just totally cockblocked his roommate. Ass.
2. OK, Isaac's making his move on Clarisse in the living room, and the game is on in fifteen minutes. We're going to have to attempt a cockblock.
2. OK, Isaac's making his move on Clarisse in the living room, and the game is on in fifteen minutes. We're going to have to attempt a cockblock.
by Jake April 12, 2003

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
yeah i can't believe harry put his arm around hermione like that, ron was totally about to make a move
by ashsal June 28, 2011

by twouptwodown December 21, 2008

by InFaMouS March 28, 2003

by Anonymous February 6, 2003
