There are other jokes than "Yo mama so fat"
Yo mama so hairy when she borned you, you had rug burn.
Yo mama so fat she didn't ned a computer. She's already world wide.
Yo mama so fat that when she went to space, NASA thought it was a solar eclipse.
Yo mama so ugly when she went into an ugly contest, they said "Sorry no professionals aloud".
Yo mama so hairy Chubacca (Sorry
@Bronzium) tried to hook up with her.
Yo mama so fat she broke the family tree.
Yo mama so fat when she entered Mortal Kombat, Scorpion could pull her over.
Yo mama so fat she uses a boomerang to tie her belt.
Yo mama so stupid she tried to climb Mountain Dew.
Yo mama so stupid she had an appointment with Dr. Pepper.
Yo mama so fat when Dracula sucked her blood, he got diabeties.
Yo mama so fat, when she went to the pool, her splash attack did damage.
Yo mama so fat, it takes more than 1 Ditto to transform into her.
Yo mama so fat when she said she wanted to fly, they stamped GoodYear on her and put her in the runway.
Yo mama so fat when she sat on a rainbow, it rained M&M's.
Yo mama so fat the army used her pants as parachutes. (A moment of silence and respects)
Yo mama so fat she made her foam Memory Mattress forget.
Yo mama so fat when she got hit by a car, she went to the hospital to get it taken out of her.
Yo mama so stupid she tapes a paper on a window and calls it Payperview.
Yo mama so fat, she was in the cast for the next Godzilla.
Yo mama so fat she's not allowed to go to the beach, she makes a tsunami.