DeCum

Verb: To remove the presence of semen or Cum.

The act of DeCumming can be used by removing the cum within the testicles through furious masturbation or sex.
alternately

The act of DeCumming can be used to remove Cum from hair, face, body or within the body.

i'll be over soon. Just need to DeCum.

by NotABadger77 June 23, 2017

decumming

to detect and remove sperm and cum from

It took hours for Jim and Lucy to finish up at work. I think they were busy decumming a problem.

by Decummer February 28, 2010

decum

The proper term for sexual intercourse between ten people; most commonly used to refer to a man and nine women.

Man #1: Dude, you know that girl that's got six sisters right?
Man #2: Yeah, why?
Man #1: I had a decum with her, her sisters, and her mom last night.
Man #2: But that's only nine people.
Man #1: Oh, and her cousin.

by Clubclem May 8, 2013