Yo moma so fat that when I tried to have sex with her I burned my ass off the lightbulb.
"Yo momma so fat when she rides in a hot air balloon, it looks like she's wearing tights!"
Yo momma so stupid she sits on the TV, and watches the couch!
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Yo' Mama is so stupid, she taped toilet paper to her TV set for free paper view.
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Yo mama is so ugly she made the ugliest person in the world cry.
Yo' Mama is like ass hair: totally useless and full of sh*t.
YO momma is so old, I slit her throat and dust came out!
Yo' Mama is so flat, the last time she felt a breast was in a KFC bucket.
Yo' Mama is so fat, when she did a cartwheel, she kicked an angel in the nuts.
Yo' Mama is so ugly, her face looks like a horse's ass flapping in the breeze.