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

  • adjective Alternative spelling of wacko.
  • noun Alternative spelling of wacko.

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

  • noun a person who is regarded as eccentric or mad


Sorry, no etymologies found.



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  • JM often rushes outside and cries 'whacko!' and sometimes even 'whacko-the-diddle-o!'

    February 1, 2009

  • "From his gladstone bag the stranger takes a bottle and a loaf of white bread.

    Whacko, says Quick.

    The black man pulls him off a hunk of bread and Quick takes it. Then the bottle."

    Cloudstreet by Tim Winton, p 209 of the Graywolf Press hardcover edition

    April 1, 2010