from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A thug; a tough.
  • noun A difficult problem.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun informal Something that is tough, or difficult.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a particularly difficult or baffling question or problem
  • noun an aggressive and violent young criminal


Sorry, no etymologies found.



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