Here are some other ways to cut people down by "Yo Mama" jokes!! Here they are! More of theses jokes could be found at The "YoMama" homepage.
1.)Yo Mama's so fat that the shadow of her butt weighs 50 lbs!
2.)Yo Mama's so fat that she sat on a rainbow and skittles came out!
3.)Yo Mama's so stupid that she took back a doughnut cuz it had a hole in it!
4.)Yo Mama's so stupid that when yo daddy said,"boy its chilly outside," she went and got a bowl!
5.)Yo Mama's so stupid that she got locked in a grocerey store and starved to death!
6.) Yo Mama's so fat that she beeps when she backs up!
7.) Yo Mama's so fat that she stepped on a scale and it said, "To be continued..." .) Yo Mama's so poor that she walks into McDonalds and exclaims ,"Man that's expensive!" The employee says,"Whaddya need?,?" And she says,"A straw!"