Yo momma's so stupid, she steals samples from stores!
Yo mamma so stupid she put two M&M's in her ear and said she was listening to Eminem.
Your momma is so old when her breast milk comes out it's powder.
Yo momma so dumb that when she was locked in a grocery store she starved!
Your momma is so stupid she put airbags on her computer in case it crashed.