Yo Mama so old... When she ran the 100 meter dash, they timed yo mama with a sundial.
Yo mama so fat, she leaves stretch marks in the tub.
Yo mama's so fat, when she plays football she play offense and defense.
Chuck Norris built Rome with a box of scraps.
Yo' Mama is like a bag of chips: Fri-to-lay.
Chuck Norris can gargle with honey.
Chuck Norris can wipe rainwater from inside his car.
Chuck Norris actually went to Rome by all roads. At the same time.
Chuck Norris made time wait.
Yo' Mama is so ugly, when she walked past the toilet, it flushed itself.