Yo' Mama is so dirty, she has to use Right Guard and Left Guard.
Yo' Mama is so poor, her face is on the food stamp.
Yo' Mama's teeth are so crooked, when she smiles, it looks like her mouth is throwing gang signs.
Yo mama is so poor that she washes paper plates.
Yo mama is so old, that when she farts all that comes out is dust.
Yo mama so fat, the only way scientists found out about space because you could see her from Earth.
Yo mama so fat that when she sat on a rainbow she made Skittles!
Yo mama is so old that God doesn't remember her.
Yo mama is so stupid she married a carpenter just to get nailed.
Yo mama so stupid someone said Christmas was around the corner and she went looking for it.