Yo mama's so fat the only alphabet she knows is her KFCs.
Yo mama so fat she irons her pants on the driveway.
Yo mama so poor, when I ring the door bell, she yells: DING DONG!
Yo' Mama is so fat, she puts in tampons with a bazooka.
Little Johnny, "Why are you so fat?" Little Billy, "Cause Every time I fuck ur mom she gives me a doughnut."
Yo' Mama is so fat, local night clubs had to put up signs that read, "Maximum Occupancy: 240 or Yo' Mama."
Yo mommas so stupid she failed a survey.
Yo mamma so fat she broke your family tree.
Yo mama is so fat when she wears red they say look a firetruck.
Yo mama is so dark that that she can leave fingerprints on carbon.