Yo mama so fat and old, she lifted her boob to wash under it and a pilgrim fell from under it
Yo mama so fat that when she sits down, the earth falls out of the Solar System.
Yo mama so fat that she should be worried for her health and go see a doctor.
Yo mama so fat, when she goes to the beach, the people shout, "Free Willy!"
Yo mama so fat, she has her own event horizon.
Yo mama so fat, her blood type is mayonnaise.
Yo mama so fat, she got baptized at SeaWorld.
Yo mama so fat, NASA has a satellite orbiting around her.
Yo mama so fat when she goes to the movies, she sits next to everyone.
Yo mama so FAT, she can't handle files bigger than 4 GB.
Yo mama so fat, when she walked by the TV, I missed three episodes.
Yo mama so fat, she takes her selfies in panoramic mode.
Yo mama so fat, even Bob the Builder said, "We can't fix that!"
Yo mama so fat, you must refuel twice to run over her with a car.
Yo mama so fat, she curves space and time.
Yo mama so fat she sat on an iPhone and turned it into an iPad.