i guy that worked for my dad"who everybody hated"he was changing the oil on a car and leaning over the frontend .just putting in the last quart,and i don't know why but we just happened to be looking at him.anyway as he stands there all the sudden whoooop his feet come flying out from under him and he cracks his chin on the radiator.idiot forgot to put the drainplug in and the oil puddle finally got to his bootsand then he had 5 quarts of oil to clean up.god we laughed are butts off,only thing he didn't think it was funny.