A professional at cock blocking.A muff-burglar is someone that hooks up with a girl you've been hitting on all night.
Bob: Who's that new guy over there?
Ben : Oh thats joe, dont go near him , hes the biggest muff-burglar ever, he stole Laura off me last week!
Ben : Oh thats joe, dont go near him , hes the biggest muff-burglar ever, he stole Laura off me last week!
by Sleepyspeirsybeefysonicskip January 13, 2009