by InFaMouS March 28, 2003

by Anonymous February 6, 2003

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.
Colton: LET'S GET OUT OF HERE DUDE!
*The girl Clayton is talking to leaves.
Clayton: Thanks cockblock.
by Benqueedo Man October 21, 2016

1.The act of obstructing one person's advances towards another.
2.A situation that obstructs; an obstacle
3.An act of ill etiquette in which a male is speaking to one female in a group of females, and the alpha female creates a disruptive environment.
2.A situation that obstructs; an obstacle
3.An act of ill etiquette in which a male is speaking to one female in a group of females, and the alpha female creates a disruptive environment.
She is cockblocking you bro.
by The GIMP September 23, 2003

by Bob Mastuff October 13, 2003

When you are attempting to get close to a girl and your buddy won't leave the room or starts telling less than flattering stories of you that cause you to lose an opportunity with your new female acquaintance.
Sara was sitting on the couch in the living room, Eric had been talking with her all evening, the party was over, Eric was attempting to get close to Sara but David wouldn't leave the living room even though he kept nodding off.
by Eric December 7, 2004
