Top definition
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.
by bloomy121147 December 24, 2009
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May 2 Word of the Day
when you've done something so cringe you can't stop replaying it in your head and it stops you from getting on with your every day life
Dan: bro why have you been staring into space for the last hour doing nothing?
Me: bro i have a chronic cringe from what happened earlier I can't concentrate
by finesseeeee March 01, 2019
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2
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
by semen demon and frank the tank November 11, 2003
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3
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
by Patric Henery September 16, 2015
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4
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.
by Scross December 23, 2007
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5
someone who creates devious ways of obtaining large amounts of semen
uve surpassed cum guzzler muthafucka...ur a semen demon
by chainsawcharlie86 October 04, 2007
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6
Semen Demon (Noun)

One who takes in great amounts of sperm.

Has lots of sex.
Also known as a whore, slut, slore, and hoe.
Yo! Where my semen demon dawg?
That bitch is a semen DEMON!
by Taylor J Keeran May 20, 2011
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