to ejaculate; mainly into a woman's hole(mouth, anal, vaginal area, even ear)
Originated from busting semen out of your testicals(nut) which is where your semen is stored. Thats why they call it busting a nut. Busting semen out of your nuts.
1. to ejaculate
2. to exert one's self greatly (comes from how one might get an inguinal(groin) hernia from over exertion)
John: Yo, Jim's sure busting a nut with the yardwork, eh?
Don: Yeah, his wife promised him as threesome with her lezbo cousin if he gets it done today!
John: Then he'll REALLY bust a nut, eh?
Don: Ideally, yes!
1. "During sex with his wife, last night, Larry bust a nut."
2. "To turn around, I'm gonna have to bust a nut."
3. "Enjoy yourself, we won't tell! Bust a nut with corn nuts!"