Just A Few...

Yo momma is so fat, she has to get permission from the FAA to go skydiving

Yo momma is so fat, Fat Albert sold her the rights to say "hey hey hey"

Yo momma so fat, she uses a jungle gym for a walker

Yo momma so fat, she freebases ham

Yo momma so fat, she can't play hide-n-seek, just seek

Yo momma breath so stank, she eats prescription Tic-Tacs

Yo momma so dumb, she thought grape nuts was an STD