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whacko

 - 3 dictionary results

whack⋅o

[hwak-oh, wak-oh] noun, plural whack⋅os, adjective Slang.
–noun
1. wacko.
–adjective
2. wacky.

Origin:
1975–80; whack(y) + -o
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To whacko
wack·o   (wāk'ō)   
n.   pl. wack·os also whack·os Slang
A person regarded as eccentric or irrational: "a catchy pop portrait of a wacko who talks to himself in French" (Phoebe Hoban).
adj.  Wacky.

[Alteration of wacky.]
whack·o   (hwāk'ō, wāk'ō)   
n.   Slang
Variant of wacko.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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