Rooster wall 

When you stop someone from having sexual relations with a member of the opposite sex. Commonly used so you dont have to call your girlfriends best friend a cock block in front of her.

Rooster= cock, Wall=block

see cock block

Man 1: I almost got in my girls pants but her friend kept calling so we had to leave to pick her up.
Man 2: Damn. Rooster Wall-ed

Rooster wall by George Tedd December 27, 2009

rooster wall 

A more PC term for "cock-block"

Yeah, last night at the dinner party Maxwell was being a complete rooster wall.

rooster wall by Deacon of the Desert Drive-By December 31, 2007