Definitions by DerBearr_

cumsterbate 

The act of using ones semen as a lubricant for genital or anal stimulation.

I want you to cumsterbate with me!

Do you wanna cumsterbate?
I just cumsterbated.
Sorry I can't come to the phone right now, I'm cumsterbating.

cumsterbate by DerBearr_ November 24, 2015