Yo Mama so old...
Her birthday expired.
Yo mama so stupid someone said Christmas was around the corner and she went looking for it.
Yo' Mama is like a blimp: a huge spectacle that's full of gas.
Your mom is so fat when she jumps all the oceans disappear.
Your mamma is so fat when she steped on the scale it said to be continued.
Yo Momma so fat and ugly that when she applied to become a movie star she got the part "Godzilla".
Yo mama so fat I thought of her in my head and I broke my neck.
Yo mama's so fat, they used her for a trampoline at the Olympics.
Yo mama so poor she bragged about the time she almost ate at a restaraunt.
yo mama so fat, when she dive into the ocean, there is a tsunami warning out!