Yo mamma so fat, every time she farts the natives living on her ass sacrifice a virgin.
Yo mama so fat when she hauls ass she makes two trips
Yo momma is so dumb, when somebody said it was chilly outside, she ran out with a bowl and spoon.
yo mama so fat her BMI is medically in the category of 'obese'
Yo mama so fat, she step on the scale it say '2 be continued'
I really like it when my mom goes out of town because I get to sleep on her side of the bed