Yo mama's so fat she went to the movies and sat next to everyone.

Yo mama's so fat when she steps on a scale, it read "one at a time, please"

Yo mama's so fat she fell in love and broke it.

Yo mama's so fat she rolled over 4 quarters and it made a dollar!

Yo mama's so fat that when she got hit by a semi-truck she said "Who's throwing rocks?"