Dirty bathtub

when you are in the bathtub and your grandma walks in and says "can i help you?" and you say yeah grandma get my back.

I got a dirty bathtub last night.

by aphbesties May 13, 2010

Dirty bathtub

When you ejeculate, and all the semen lands in your belly button. Meaning you must scoop out the semen from your belly button.

"Yo man I had a wank yesterday, and I managed to get a dirty bathtub"

by KevIN$$ November 01, 2016