Yo' momma so fat, you could use her thong for a hammock!
Yo' momma so fat, when she walks around town in a red dress, all the kids start yellin "Cool-aid!!! Cool-aid!!!"
Yo' momma is so fat, her pager is a VCR!
Yo' momma so fat, when she got on the scale it said Jenny Craig!
Yo' momma has so much hair on her upper lip, she braids it!
Yo' momma has so many teeth missing, it looks like her tounge is in jail!
Yo' momma so dirty, she has to creep up on bathwater!
Yo' momma so poor, when she goes to KFC, she has to lick other people's fingers!
Yo' momma's nose is so big that her neck broke from the weight!
Yo' momma so stupid, she sold her car for gasoline money!
And my personal favorite of the bunch...
Yo' momma so hairy, you almost died of rugburn at birth!