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6.
one who is rebuffed by a woman, and then makes an ass out of everyone in his group so that none of his friends have a chance with her
she totally turned him down, and I though I had then had a chance with her until fucking tic-tic started c-blocking
by the prophet March 25, 2003
 
1.
1.To Cock Block your friend from talking to or fucking a girl.
2. Preventing someone from getting in a girls pants.
You are at a bar talking to a girl and your friend jumps between the two of you and starts talking to her.

Girls can C-Block guys too by preventing them from getting in their girlfriend pants. Usually by making them leave with them instead of you.

by Notorious JRB June 21, 2006
 
2.
Also know as Cock-block. Commonly found at Fraternity party. Person A is talking to hot drunk chick, when his friend Person B comes up, equally as drunk and embarasses person A, to the point where drunk hot chick no longer wants to give up the buns.
"Dude, you cheesehead bastard. Why are u bringing up my sexual ineptitude in public?!? I could have SCORED!"
by CoorsLightEMU April 20, 2003
 
3.
When a friend disarms your efforts towards a girl. Short for cock-block.

A successful undertaking of a person out to get a better shot at a friend's intended target.
"She was definetly looking at me man, but mark cblocked me and I was hosed"

"Jorge was such a cblock last night, he would not leave me and her alone."
by Dr. Joseph Junio January 21, 2004
 
4.
the area of Glen Ridge that is within a blocks distance of carteret park. basically where all the bros live
c block is where all the bros chill
by ChloePowell April 26, 2011
 
5.
the area in which all the BOOOOOOYS hang out at school, bunch of good cunts there, brotherhood.
Sanjay: you going to kick it at C BLOCK today at lunch bro?
Gulas: of course!
by bartyboy June 02, 2011
 
7.
v. a euphemism for cockblock. used around people you don't want to say "cock" around
Man 1: Dude, don't be a c-blocker (nervous laugh).

Woman: What's that?

Man: Sorry! If you'll excuse me...
by theunknowngl October 16, 2004