a prank invoving asking a person "what's , "the capital of Thailand?" the person then usually sais, "Bangkok?" Then you kick him in the balls.
Guy 1 : He man, What's the capital of Thailand?
Guy 2 : Bangkok?
Guy 1 then kicks guy 2 in the balls
Guy 1 : (laughing) Bangkok, get it, Bang Cock!
Guy 2 : Oh my sack!!!
The part of the stomach that hangs over the waist to the point where it flaps against the body.
Don't ask me where it came from I don't know.
go to youtube and type in "lammb" you'll se what I mean.
Did you see that guy's lamb, he must be at least 400 lbs!