The act of getting kicked, kneed, and/or grabbed by the balls for excessive pain and pleasure.
No one does it better than Ashley when she ballbusts Mike...especially when he doesn't see it coming! ;)
by livin_in_paradise January 14, 2013
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An act where a person gets assaulted in any way which makes them shocked or deeply insulted. Usually in a sickening, or Jon Gilbert way.
That was a ballbust when you called me a fag in front of my math teacher.

That was a ballbust when you made me cry.

That was a ballbust when you burnt my house down and killed my mom in the process.
by All People From Iraq March 29, 2004
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Ballbusting is causing pain to the testicles of the male for enjoyment reasons rather than for self defence reasons. Women enjoy it for the power they feel when they can so easily drop a male to the floor in great agony. They also find it amusing to see them sqirming and groaning while holding their scrotums from such a minor blow. Males seem to enjoy their own vulnerability when it comes to a woman exploiting it. Most men become erect at the thought of a woman controlling them by their testicles. (women always aim for the testicles for self defence which is also a turn on for many)
Her fascination in ballbusting was her interest in the male weakness in his testicles and wanted to experience the feelings of power over a man much stronger than herself. She looked for any reason to kick a man in the balls.
by Dixie John April 01, 2006
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1) A female who gains power over a male by causing pain to his testicles (commonly "nuts"). Although it can include any kind of "nut" attack. The female most often employs her legs for the task, because of their relative proximity to the groin, and because the legs of a female have the needed stregnth to hurt a male without injuring him.
2) A female who humiliates, belittles, injures, chastises, dihabilitates, or otherwise causes distress to a man through non-physical means.
1) Guys ignore Amy's reputation as a ballbuster when they see her nice legs; at least until she kicks them in the nuts.

2) "That Amy is a real ballbuster; not only did she kick me in the nuts under the table, she used my weakened state to make me agree to her plan."
by Regginald July 22, 2005
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When a guy gets hit in the testicles usually from girls.
That pervert tried to touch that girl and got what he deserved. He got ballbusted by her.
by boiwithsmall September 21, 2013
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Kicking testicles is becoming a popular sport in schools where girls go and bust as many guys as possible
by Testicle Queen September 19, 2003
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(Noun)
(1) A very difficult and daunting undertaking;
(2) An emasculater; a female who habitually demeans and degrades men.
(3) Any authority such as a supervisor or a military superior who overworks or over-criticizes their subordinates.
(1) “That calculus course is a ball buster.”
(2) "She ballbusts guys by mocking their penis size and income."
(3) "Sgt. Whacko wouldn't let me take a break until I got the entire hole dug. What a ballbuster!"
by Bill Peters November 27, 2006
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