English version

wacko

From Longman Dictionary of Contemporary Englishwackowack‧o, whacko /ˈwækəʊ $ -oʊ/ noun (plural wackos) [countable] informal 🔊 🔊 a crazy or strange personwacko adjective 🔊 That guy’s completely wacko.
Examples from the Corpus
wackoHe was innocent on grounds of being wacko.Soon, the talk-show producer decides she has not found Mr Right but a certifiable wacko.Ruby Wax found some real wackos in West Virginia-loons who use poisonous snakes in religious ceremonies.
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