Insults:

If I ever need a brain transplant, I'd choose yours because I'd want a brain that had never been used.
No, a polygon is not a dead parrot.
Some people have called you a wit... They're half right !
Our friendship is like that of a dog to a fire hydrant.
Pardon me, but you've obviously mistaken me for someone who gives a damn.
People can't say that you have absolutely nothing! After all, you have inferiority!
I'll hit you so hard your kids will be born dizzy!
People clap when they see you -- their hands over their eyes or ears.
Save your breath...You'll need it to blow up your date.
You are so was so ugly they used to push your face into dough to make gorilla cookies