whacko

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whack·o

 (wăk′ō, hwăk′ō)
n. Slang
Variant of wacko.

whacko

(ˌwæˈkəʊ)
adj, n
a variant form of wacko
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.whacko - a person who is regarded as eccentric or madwhacko - a person who is regarded as eccentric or mad
eccentric, eccentric person, oddball, flake, geek - a person with an unusual or odd personality
Translations

whacko

interj (dated)trefflich (dated), → tipp-topp, eins a (inf)
References in periodicals archive ?
One of his classic comedy creations - with collaborator Frank Muir - was whack-o