You should be smart enough to understand how dumb you are!

I'm a meathead. I can't help it, man. You've got smart people and you've got dumb people.

Roses are red, violets are blue, I have five fingers, the middle one is for you.

She was my friend because she was kind and funny but she had a face like two oysters fused together in a Star Trek matter transporter accident.

What life could have been and what it actually is, the difference reflects your measure of dumbness

{She] ain’t got the sense God gave a goat.