Joke stolen from: Clean laffs

A man is sitting in a fancy restaurant when his food finally arrives at his table. As the plate is being served the man notices the waiter has his thumb resting on the edge of his steak.

"Umm, excuse me," the man says, "but I couldn't help but notice you had your thumb on my steak."

"Yes, I know, sir," the waiter responds, "but I didn't want to drop it again."