Wacko Definition
wăkō
wackos
adjective
Wacky.
American Heritage
Webster's New World
Completely crazy; insane.
Webster's New World
Wiktionary
interjection
(UK, dated) Hurrah.
Wiktionary
Other Word Forms of Wacko
Noun
Singular:
wacko
Plural:
wackosOrigin of Wacko
Alteration of wacky
From American Heritage Dictionary of the English Language, 5th Edition
wack(y) + -o
From Wiktionary
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