English

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Etymology

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ballsy +‎ -ily

Adverb

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ballsily (comparative more ballsily, superlative most ballsily)

  1. (vulgar, slang) In a ballsy manner.
    • 2014, Michael Musto, Fork on the Left, Knife in the Back[1]:
      My emotional bottom came when someone ballsily asked to borrow my ID so he could get in!