one who suks so much cock that they are taken by the dark realm of haities and made a demon
by ox May 02, 2003

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Top Definition
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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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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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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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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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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A individual, human or otherwise that is capable of excreting immense quantities of semen. Commonly displayed in various acts of a sexual nature in pornography, specifically but not limited to the Japanese Hentai
John: Hey Matt, you see that dude in A Slave's Revenge?
Matt: Oh yea mate, he's a real Semen Demon.
by RaisonDetrah February 14, 2015

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a male/female that loves semen a lot
guy1: yo my girls a semen demon!!
guy2: thats soo cool so she swallows?
guy1: HELL YA
by THE DEAN22 January 21, 2012

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