Yo mama is so fat she fell in love and broke it.
Yo' mama so fat, people exercise by doing laps 'round her!
"Madam, your son just called me an ugly swine!"
The mother apologizes shamefacedly, "I'm so sorry, I must have told him like a thousand times it is wrong to judge people just from how they look..."
Your mom is so stupid she tried to drown a fish.
Yo mama is so stupid, when I offered her animal crackers she said no thanks, I'm a vegetarian.
Yo mama is so fat, she got arrested at the airport for ten pounds of crack.
Yo momma's so fat; she's on both sides of the family!
Yo mama so fat when she burped New Orleans thought Katrina came back to finish the job.
"Siri, why am I still single?"
Siri activates front camera.
Vote:
Yo mama's so fat when she sat on a tree it made paper.