8
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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10
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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11
1. to ejaculate (for males)
2. to pull a U-turn
3. to enjoy a bag of corn nuts
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!"
by jackanapes July 11, 2006
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12
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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14
ejectulateing semen (cuming)
I was having hot sex with sarah that made me bust a nut in her vagina
by John December 02, 2003
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