Your momma is so old when her breast milk comes out it's powder.
Yo mama so ugly she made Justin Bieber say, "Never."
Yo mamma so stupid she tried to put M&M's in alphabetical order.
Yo momma's so fat, that when God said, "Let there be light," He told her to move her fat ass out of the way first!
Yo momma's so stupid, she steals samples from stores!