Yo Mama has touched more knobs then the gas man.
Yo Mama so old... Her birthday expired.
Yo' Mama is so ugly, when she walked past the toilet, it flushed itself.
Yo' Mama is so skanky, when the waiter brought out her strip steak, she asked where to tuck the dollar bills.
Yo mama so fat her chairs are buildings.
Yo' Mama is so fat, yo' daddy needs a Sherpa to help get him on top.
Yo mama's so stupid when she cries for help she says "come here please".
Yo momma so fat, her patronus is a cake.
Yo mama so fat she irons her pants on the driveway.
Yo mamma so stupid she brought a spoon to a super bowl and the fat one brought a bowl.