Definitions

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

  • noun A person regarded as eccentric.
  • adjective Very bad.

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

  • adjective Egregious
  • adjective bad (as in not good), inauthentic, of an inferior quality, contemptible, lacking integrity, inauthentic, lame, or strange.
  • adjective slang crazy, mad, insane
  • noun An eccentric; an oddball; a weirdo.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Back-formation from wacky.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Back-formation from wacky.

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Examples

Comments

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  • That's outta wack!

    May 3, 2009