Cosby Cosby Cosby Cosby cos, because of the wonderful things he drugs
Cow-caine
High Five
He had a hollow-weenie
A saucer-er!
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.
They both know when you are sleeping.
The Lizard of Oz!
The www.izard of Oz.