Originally posted by DarkHelmet
I'm sure you've all heard of Weird "Al" Yankovich. In his new CD Poodle Hat, his song Genius in France has all kinds of these... like: I
couldn't pour water out of a boot with instructions on the heel, I'm not the brightest bulb on the Christmas tree, I'm about as sharp as a bowling
ball, and my personal favorite:The room temperature's higher than my IQ.
Here's the rest of the lyrics:
Genius In France 
Yeah, i was totally thinking of werid al when reading this, but u beat me to posting