the act of punching, kicking, or otherwise injuring the balls.
that guy deserves a good nut busting.
by Slightly Noxious August 28, 2006
Nut-busting is when you are busting a nut. Also known as an orgasm or ejaculation.
I shot several loads during that nut-busting!
by theJeremiah July 03, 2005
the act of masturbation
aww, man...it was so funny when we caught ______ nut busting the other day!!!
by Eridactyl June 15, 2009