Bill Cosby and Ben Roethlisberger walk into a bar... I don't remember what happened next.

What did Bill Cosby say when he was in a bar and he accidentally slipped a pill into one of those drinks you light on fire and then the bartender lit it on fire? The roof', the roof', the roofies on fire!

So Bill Clinton, Bill Cosby and Bill Nye all walk into a bar... They all finish their drinks and Nye says to the lady behind the bar I'll cover the tab these two will give you their tips.

Bill Cosby and Steve Harvey walk into a bar... (complete the damn thing)