Yo mama's so fat, I had to take a train and two busses just to get on her good side.
Yo mama's so fat, they had to grease a door frame and hold a Twinkie on the other side to get her through.
Yo mama's so fat, when she was diagnosed with the flesh eating disease, the doctor gave her 5 years to live.
Yo mama's so fat, her picture takes two frames.
Yo mama's so fat, when your dad climbs on top of her, his ears pop