Yo' Mama is so skanky, she can make out with a toothpick in her mouth.
Yo mamma so ugly she scares Chuck Norris!
Yo momma so ugly she threw a boomerang and it refused to come back.
"Yo momma so fat when she jumps up in the air she gets stuck!"
Yo momma so fat, she bounced over Wal-Mart, rolled over KMart, and landed on target.
Yo' Mama is so stupid, she invented a ventilated condom.
Your momma so ugly she gave Freddy Kruger nightmares.
Yo Momma's so stupid that she burned down the house with a CD burner.
Yo mama so fat when she burped New Orleans thought Katrina came back to finish the job.
Yo mamma so stupid she tried to eat her iPhone because it had an apple on it!
Yo mama is so stupid, she did her dad last night.