Yo momma’s so fat, she tripped over…

Yo mamma is so ugly when she took a bath the water jumped out.

Yo momma is so fat you need to take two trains and a bus just to get on her good...

Yo mama is like a campfire: everybody gets to stick their wieners in.

Your momma is so stupid she put airbags on her computer in case it crashed.

Yo mamma is so ugly, she scared the shit out of the toilet.