"Yo momma so fat they have to grease the bath tub to get her out!"
Yo' Mama is so fat, when she did a cartwheel, she kicked an angel in the nuts.
Yo mama is stupid, she put a book in her friend face and named facebook.
Yo' Mama is so stupid, when her batteries die, she buries them.
Yo mama is so poor that she had to get a second mortgage on her cardboard box.
Yo mamma so fat not even Dora can explore her.
Yo mama so ugly that she doesn't need a costume for Halloween.
Yo mama so fat that she volunteered at the park, as the trampoline.
Yo' Mama is so redneck, the door mat to her trailer home doubles as a mad flap for her pick up truck.
Yo mama so stupid she put lipstick on her forehead to make up her mind.