Yo' Mama is so ugly, her imaginary friend played with other kids.
Yo momma so fat she downloads cheats for Wii Fit.
You are so old, the candles on your birthday cake raised earths temperature by 3 degrees.
"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..."
Your mom is so stupid she tried to drown a fish.
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 is so fat she fell in love and broke it.
Yo mamma is so fat when she tried to go to McDonald's she tripped over Wendy's and landed on Burger King.
Yo mama's so fat when she sat on a tree it made paper.