Yo momma is so stupid she took a ruler to bed to see how long she slept.
Yo momma's so fat, the only way to get her out of a telephone booth is to grease her thighs and throw a Twinkie in the street.
Yo momma's so fat, she has more rolls than a bakery.
Yo momma is so ugly she turned Medusa into stone.
Yo momma's so fat, that when she went to the zoo, the hippos got jealous.