Yo mama so stupid, she got hit by a parked car.
Yo mamma so stupid she put two M&M's in her ear and said she was listening to Eminem.
Yo momma's so fat, even Dora can't explore her.
Your momma is so stupid she put airbags on her computer in case it crashed.
Yo mama so dumb she tried to make an appointment with Dr. Pepper.