cock block

a friend (usually male) that will not allow one, to sex up someone else (usually female)

Man, why did that asshole cock block me last night, she was so drunk I was gonna get some.

by angle November 30, 2004

cock block

preventing a hot chick from hooking up with a man on a one night stand by making an ass of yourself

a job usually taken by she-beasts and grenades

by Da Nastee One May 7, 2004

Cock Block

A person(little sibling, parent, etc.) that prevents intercourse or oral sex from occuring.

"Dude, I would've gotten a blowjob from Linda, but my little sister wouldn't go downstairs, what a cock block!"

by Herbert Baldwin February 5, 2009

Cock Block

Cock blocking is when a man is interested in having sexual relations with a female and is interrupted by a 3rd party making the chances of him having sexual intercourse with female much harder.

Kristen is cock blocking

by TT203 December 5, 2011

cock block

Someone who interferes with action you have already set up.

Erin cock blocked the threesome that was already in motion.

by Billy Blue Balls July 12, 2003

cock block

When a someone you know prevents you from looking good in front of the ladies

Jon Dejesues
aka animegamer

by miguel June 6, 2004

Cock Block

The Person blocking the ass between a man and his biatch

Chris C is such a cock block with G-money and camilla.

by Ananymus November 20, 2004