ballbreaker

British  

/ ˈbɔːlˌbreɪkə /

noun

1. slang a person, esp a woman, whose character and behaviour may be regarded as threatening a man's sense of power

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Etymology

Origin of ballbreaker

C20: from _ball ¹ (in the sense: testicle) + _breaker ¹

Example Sentences

But I actually wish Whiplash had gone that route, because then Simmons’ character—the ballbreaker music teacher—might have been genuinely complicated, instead of just a boring old crazy dude.

From Slate • Jan. 9, 2015