The first engineer calls out to the other, "Hey--Nice bike!
Where did you get it?" "Well," replies the other, "I was walking to
class the other day when this pretty, young coed rides up on this
bike. She jumps off, takes off all of her clothes, and says 'you can
have ANYTHING you want!'" "Good choice," says the first guy, "her
clothes wouldn't have fit you anyway.