bust a nut

bust a nut

1. rude slang To exert a significant amount of energy or work very hard to do, accomplish, or complete something. I've been busting a nut to get this presentation ready for tomorrow's meeting. He's going to have to bust a nut if he wants a place on the varsity team.
2. vulgar slang To ejaculate.
See also: bust, nut
Farlex Dictionary of Idioms.

bust a nut

1. tv. to ejaculate. I almost busted a nut when I saw her bend over.
2. tv. to work hard to accomplish something. I busted a nut to get it done on time.
See also: bust, nut
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions

bust a nut

Vulgar Slang
To have an orgasm.
See also: bust, nut
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • bust (one's) chops
  • bust chops
  • bust someone's chops
  • bust your chops
  • chops