Janpen's definitions
Lars: "Dude, that guy crossing the street's wobbling in the crosswalk at about 0 mph."
You: "He's a kneecapper, duh."
You: "He's a kneecapper, duh."
by Janpen June 5, 2010
Get the kneecappermug. Get the kneecappermug. Get the kneecappermug.