wacko

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wacko /ˈwækoʊ/ noun
plural wackos
wacko
/ˈwækoʊ/
noun
plural wackos
Learner's definition of WACKO
[count] US, informal
: a person who is crazy or very strange and unusual

— wacko

adjective [more wacko; most wacko]
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