A Battle Of Wits

I refuse to enter a battle of the wits with you -- it's against my morals to attack an unarmed person.

Making Everyone Dumber

What you just said is one of the most insanely idiotic things I've ever heard. At no point were you even close to anything that could be considered a rational thought. Everyone in this room is now dumber for having listened to it.

Yo Mama - Instructions

Yo mama so stupid, she has to re-read the instructions on the shampoo bottle every time she showers.