Yo momma's so fat; she's on both sides of the family!
"Madam, your son just called me an ugly swine!" The mother apologizes shamefacedly, "I'm so sorry, I must have told him like a thousand times it is wrong to judge people just from how they look..."
Yo mamma's so fat that she had to get baptized at seaworld.
Yo mama is so fat, the army used her pants for a parachute.
Yo mamma is so fat, her husband has to stand up in bed each morning to see if it's daylight.
Yo mama so stupid she stuck her face into a book to make a Facebook.
Yo mama is so hairy, Kingkong got jealous.
Yo mama is so fat when she left the room everyone could breathe again.
Yo mama's so fat, she's the reason why the universe is expanding.
Yo mama so ugly people dress up as her for Halloween!