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!
by cyberpope67,BC,Canada January 21, 2009

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ejaculate semen
Yo, i bust a nut in that's girl's face.
by nutty5000 August 17, 2008

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Used to explain such anger or stress that the strain would split the testicle(s)
Dude, if you don't finish the before the deadline then they're gonna bust a nut!

I wouldn't be surprised if that bomb defusal squad bust a nut.
by Chainsaw Panda June 16, 2011

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A slang term, used in place of the more "correct" term for ejaculation. The term originated from when sperm would bust from the testicles (nuts). Not to be confused with "bust your nuts" meaning to smash the testicles.
"My roomate tried to steal my girl last night, so I bust a nut on his bed."
by Shinigami Kings September 29, 2008

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you bust a nut when you cum a big ball and fire it from your penis.
cum penis
have you ever bust a nut?
by assnipple June 13, 2016

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To SKEET SKEET SKEET
He busted his nut on his girlfriend
by BIG BOI!!!!!! March 30, 2005

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1) To be overcome with extreme anger and rage to the point where you bust another man's nuts with a baseball bat.
2) Ejaculate
I've been waiting 1,177 years to play the Xbox One! And if I don't get to play real soon, I'm gonna bust a nut!!!!
by DarthKieduss December 24, 2013

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