Yo momma's so fat, that when she fell, no one was laughing but the ground was cracking up.
Yo momma is so fat that Dora can't even explore her!
Yo momma's so fat she needs cheat codes for Wii Fit.
Yo momma is so stupid she brought a spoon to the super bowl.
Yo momma is so stupid she climbed over a glass wall to see what was on the other side.