another one for the "...And that's when the fight started..." list
Slim was driving slowly, looking for a parking space. Car suddenly backs out quickly, and Jim is unable to stop fast enough, bumps the other car slightly.
Both drivers get out, and a very short person is driving the 'bumped' car. Shorty screams at Slim "I am NOT Happy!!"
Jim: "Oh? ...... Well, which one of the sevens dwarfs are you?"