Definitions

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

  • noun A person regarded as eccentric or irrational.
  • adjective Wacky.

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

  • adjective amusingly eccentric or irrational
  • noun An amusingly eccentric or irrational person.
  • interjection UK, dated hurrah

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

  • noun a person who is regarded as eccentric or mad

Etymologies

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

[Alteration of wacky.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

wack(y) + -o

Examples

Comments

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  • Also the name of the best store in Los Angeles.

    December 10, 2007

  • whassitsell?

    December 10, 2007