What does Bill Cosby do when he can't sleep at night? He finishes her drink EDIT: Apparently this is Conan's joke, so all credit goes to him. I just heard it from a friend of mine and I had no idea.

What do Santa Clause and Bill Cosby have in common ? They don’t come until you’re asleep.

What’s the difference between what Eminem does and what Bill Cosby does? An “e” at the end

What's the difference between Bill Cosby and a small fencing sword? One's a little rapier...