When you shoot jizz during a particularly hot masturbation session, only you shoot wild. SO, after washing, you come back to the scene of the crime to clean up your cummy mess, but there is literally nothing there. You just shot a mystery nut.
"I shot this load over my shoulder, and I know it landed somewhere behind me, but I can't find it! It's gone. I've felt everywhere."
"Bro, you just shot a mystery nut."
"Bro, you just shot a mystery nut."
by Noir March 17, 2018
The astronomical phenomenon that occurs when a male farts in a certain position that causes the gust of air from the anus to rush under his scrotum and create a flapping motion
by Aliocac August 19, 2015
by Gremlin1 July 16, 2020
When a man (or woman) once in a long time finally achieves the orgasm (or ejaculation) called, "The Perfect Nut."
Jimmy has not masturbated in a month. After waiting awhile, he finally releases the perfect nut one night.
by Guy with a dick October 06, 2017
by buzztroll December 18, 2016
by Dr.slang7 July 06, 2017