Yo mama so fat she went to the beach and a whale jumped out of the water and said,"WE are family even though your fater than me."
Yo mama so nasty they won't even eat her on fear factor.
yo mamma's so stupid she bought a donut then took it back cos it had a hole in it
Yo mama's so fat part of her is still in yesterday.
Yo mama so old that when she went to school there was no history!