When a guy hasn’t nutted in a while and he starts to not think clearly. He’s possessed by the semen demon.
Chuck though about calling up his hoe x cause he had the semen demon whispering in his ear. After he spanked it though he knew that was a bad choice.
by DonRonRubio January 29, 2018

by DickoMode27 June 8, 2019

(noun)-the same as a bukkake except that there's one guy in the middle, with all the girls racing to cum on him
Mom: Hey son, you're staying safe right?
Son: Yeah mom, you can't get preggers from a little Semen Demon!
Son: Yeah mom, you can't get preggers from a little Semen Demon!
by it'stimetofuckinglearn April 26, 2017

A demon that jacks you off the very nanosecond you look at 3 pixels of porn, it seduces you and eventually gets addicted to your cock.
by spexo May 8, 2022

Any girl that objectively gives blowjobs to every guy in a group over a routinely over a period of time.
You are never goona believe it. I just got a BJ from Denise. Settle bro we all have, she a true Semen Demon.
by SoggyBottoms170 June 17, 2016

A person who is particularly interested in the semen, or cum of a male. Usually used to described a homosexual man or a very sexually promiscuous woman.
by TheNotoriousAvon April 12, 2021
