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gangbuster

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noun gang·bust·er \ˈgaŋ-ˌbəs-tər\

Definition of gangbuster

  1. :  one engaged in the aggressive breakup of organized criminal gangs

like gangbusters
  1. :  with great or excessive force or aggressiveness <came on like gangbusters>; also :  with great speed or success <was selling like gangbusters>



1940

First Known Use of gangbuster

1940



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