a man that constantly loves to ejaculate by himself or all over his partner due to the fact that he has a huge load to show off with.
Can you please stop ejaculating on me like a semen demon!
When you nut but miss your target and the nut flies across the room never to be found again, probably consumed by the Semen Demon
I accidentally nutted on my floor and couldn't find it to clean it up. I think the semen demon took it.
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.
Her: You have any kids?
Him: No i don't have any semen demons
The monster of shame that lurks within the darkest parts of you, urging you to release him.
Fred: Fuck me dude, the Semen Demon is getting really antsy!
an evil entity or entities that instigate sexual addiction in men.
I have semen demons in my nuts.
(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!