They all look so tasty, but I think I'll eat this one right ther...
Homer: They all look so tasty, but I think I'll eat this one right there!
(Homer points at a lobster.)
Waiter: Why don't you pick one that's a little more frisky, sir.
Waiter: Well, when you choose one that's floating upside down, it somewhat defeats the purpose of selecting a live lobster.