Kook definition
A person regarded as strange, eccentric, or crazy.
noun
(informal) A person regarded as eccentric, crazy, etc.
noun
(surfing, kiteboarding, wakeboarding etc.) A board sport participant who has poor style or skill.
noun
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Other Word Forms
Noun
Singular:
kook
Plural:
kooksOrigin of kook
- Possibly from cuckoo
From American Heritage Dictionary of the English Language, 5th Edition
- Possibly from cuckoo.
From Wiktionary