Semendemon 

A demon who comes into your room. While you and your partner are having sex, the demon pokes a hole in your condom. When your wife becomes pregnant, your child will be the 13th son of Osiris and summon satan at the age of 9 and thus rising hell on earth. This event will happen 6/6/60, prepare for the coming of Osiris's son wipe out all of creation.

Partner 1: Nothing will ruin this night! 😈😈🍆🍆

Partner 2: Nothing except for the Semendemon

Semendemon by Patric Henery October 29, 2015

Semen Demon 

A slut with an insatiable voracity for warm semen.

I spied a semen demon skulking around the dimly lit frat house furtively grabbing at cock.

Semen Demon by bloomy121147 December 24, 2009

Childe's semen demon

A type of monster from genshin that appears under your bed and milks you until you can't breathe and due. It was created from Tartaglia's used tissues and is rapidly running towards your direction. Its diet is based on tuna.

- I found childe's semen demon under my bed. It circumcised me.
- Wtf

Childe's semen demon by kagehara June 22, 2023

Semen Demon 

A dirty girl that craves semen so much she would summon the devil for it.

Yo I hung out with Shirley last night and she drained my balls like a semen demon

Semen Demon by Dildo stuffer June 25, 2020

semen demon 

one who is a bandit of man juice and uses it for the purpose of dark and sinister purposes

watch out for the semen demon (aka geoff critzer) he shall rob your clean sheets

semen demon by semen demon and frank the tank November 11, 2003

cum gaggling semen demon 

A person who should burn in hell for having the obsession of eating peoples semen.

Dude, I was at this party the other day and i was totally shit faced and then i saw your ex... she's such a cum gaggling semen demon

cum gaggling semen demon by whenpigsfly03 October 19, 2010

semen demon 

A girl who takes a load of cum in her mouth and moves it to the back of her throat and gargles it to make a demon-like noise.

That girl is a semen demon.

semen demon by Scross January 9, 2008