Proportion jokes
Your mum is so fat that when you walk around her, you get lost.
Your forehead is so big, I could land a jet plane on it.
God: (creating elephants) Make it big.
Angel: How big?
God: As big as my d--
Angel: Whoa!
God: Fine, 10 feet tall.
Angel: That's big bu--
God: Put a long thing on its face.