What are some yomamma jokes?

Yo Mama's like a library - open to the public.
Yo Mama's so stupid she stole a free sample.
Yo Mama's so stupid that when she saw a "Wet Floor" sign, she did.
Yo Mama's so stupid she can't read an audio book.
Yo Mama's so stupid she thought Thailand was a men's clothing store.
Yo Mama's so stupid she thought Meow Mix was a dance record by Cats.
Yo Mama's so stupid she failed a survey.
Yo Mama's so fat, when she backs up she beeps.
Yo Mama's so fat she's on both sides of the family.
Yo Mama's so fat her belly button has an echo.