Your mommas so fat that whenever she goes to the beach, people try to roll her back into the ocean.

Your momma's so stupid she got hit by a parked car.

Your momma so stupid and poor she thought a quarterback ment a refund.

Yo momma so old her tits squirt powdered milk.

Yo momma so old when god said let there be light he had your momma flip the switch.

Your momma so stank instead of pulling punches she pulls out tampons.

Yo mama's so stupid she can't pour water out of a boot with the instructions on the heel.

Yo momma is so ugly that Scorpion told her to stay over there.

Your mama is so ugly that when Scorpion seen her, he said, "Stay over there!"

Here's a few...

Can you tell yo mama to pick up her undies the paint is peeling off the walls ..

Yo you mama so fat, when she sits on a quarter, she pushes a booger out of Washington's nose!

Yo mama's so dingy she thinks she's a bell.

The worst I ever heard was, “Your mama so nasty she suck your daddy’s dick before coming in to kiss you good night.”

If you have an Android device, you should ask Google to tell you a yo mama joke.
Its only funny because how off the point she is.

Ask her to tell you a dirty joke. Just as bad!

Can a kangaroo jump higher than a house? Duh.. Sure, house can't jump.

Yo Mama's so cruel even Torquemada wouldn't try to convert her.

actually it was made up at the time and it was to my children....didn't go over so well with their mom....but she did smirk.

A heckler at a world series tennis match shouts out to a very unpopular player, " hey man, there is shit on the end of your racket " the player looks down to see but is interupted by the heckler who says, " no man, you are looking at the wrong end " .....