Two students talk: "What are you reading?" "Quantum physics theory book." "But why are you reading it upside-down?" "It makes no difference anyway."

A reporter heard Bush and one of his underlings talking in the hallway: "Mr President, how do we know for sure Iraq has weapons of mass destruction?" Pres says "You think we’re stupid boy?" "We made copies of all the receipts!"

Yo momma so stupid she got hit by a parked car!

Yo momma so stupid, she took a spoon to the Super Bowl.

A blonde is watching a ventriloquist perform at a bar and the ventriloquist, with his dummy, is telling blonde joke after blonde joke, filling the bar with laughter. After several of these jokes, the blonde stands up, infuriated, and yells, "Listen here, jack*ss. Not all blondes are stupid and the jokes need to stop, it is a very cheap way to get laughs." Stunned, the ventriloquist timidly begins to apologize, "Ma'am, I am so sorry. I had no idea I was offending anyone." The blonde replies, "Stay out of this, sir. I'm talking to that little sh*t on your knee!"