ball-breaker

 noun

 

/ˈbɔːl breɪkə(r)/

 

/ˈbɔːl breɪkər/

(informal)

1. ​a person who is very tough and aggressive or demands a lot from other people, especially in a way that damages their confidence

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ball-breaker

noun

INFORMAL

1. a tough disciplinarian or taskmaster.

   "to be one of the world's best chefs, you have to be a ball-breaker"

   • a dominating or threatening woman who destroys a man's self-confidence.

     noun: ball-breaker; plural noun: ball-breakers; noun: ballbreaker; plural noun: ballbreakers; noun: ballbuster; plural noun: ballbusters; noun: ball-buster; plural noun: ball-busters
   • a demanding and punishing task or situation.

     "the early stretch of the race is the ball-breaker"