ballsily

From ballsy +‎ -ily.

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!