Yo mama so dirty she has to creep up on bathwater.

Yo mama so dirty she makes mud look clean.

Yo mama so dirty that she was banned from a sewage facility because of sanitation worries!

Yo mama so dirty that you can't tell where the dirt stops and she begins.

Yo mama so dirty that standin next to a tramp, she make the tramp look like a butler.

Yo mama so dirty that her house is so dirty I gotta wipe my feet before I go back outside.

Yo mama so dirty she lost 2 stone after taking a shower

Yo mama so dirty that even the Swamp Thing insisted she showered.

Yo mama so dirty that Saddam Hussain tried to import her bath water to use as chemical weapons.