1 definition by RaisonDetrah

Semen Demon

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