Yo momma's so fat that Mount Everest tried to climb her.
Yo mamma so stupid she tried to put M&M's in alphabetical order.
Yo momma's so fat, her measurements are 36-24-26, and that's just her left arm.
Yo mama's so fat when I pictured her in my head she broke my neck.
Your momma is so stupid she put airbags on her computer in case it crashed.