Word Study
wacko
WORDNET DICTIONARY
Noun wacko has 1 sense
- wacko(n = noun.person) nutter, whacko - a person who is regarded as eccentric or mad; Array is a kind of eccentric, eccentric person, flake, geek, oddball
OXFORD DICTIONARY
wacko, adj. & n. US sl.
--adj. crazy.
--n. (pl. -os or -oes) a crazy person.
--adj. crazy.
--n. (pl. -os or -oes) a crazy person.
Etymology
WACKY + -O
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