Definitions by CSLuto

Fap water 

The water in a bathtub after you are done fapping in it.

I fapped in the bathtub and my mom told me not to drain the water because my little sister still had to take her bath. She promptly splashed around and gurgled my Fap Water. Julie, if you read this in the future, I'm so sorry.

Fap water by CSLuto January 1, 2012