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.
13👍 3👎
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"