an eccentric, strange, or foolish person.
an insane person.
(US & Canadian, informal) an eccentric, crazy, or foolish person
1960, American English slang; see kooky.
: did a kook piece with dancers
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[koo-kee] /ˈku ki/ adjective, kookier, kookiest. Slang. 1. of, like, or pertaining to a ; eccentric, strange, or foolish. /ˈkuːkɪ/ adjective kookier, kookiest 1. (informal) crazy, eccentric, or foolish adj. 1959, American English, originally teenager or beatnik slang, possibly a shortening of cuckoo. Using the newest show-business jargon, Tammy [Grimes] admits, “I look kooky,” meaning […]
[kool-eyd] /ˈkulˌeɪd/ Trademark. 1. a brand name for a powdered mix used to make a sugary, fruit-flavored drink. noun 2. a drink made from this mix. Idioms 3. drink the Kool-Aid, to support or believe in something in a blindly enthusiastic way: A level-headed reporter, he didn’t drink the Kool-Aid on the tax issue.
/Dutch ˈkulhɑs/ noun 1. Rem. born 1944, Dutch architect and theorist, co-founder of the Office for Metropolitan Architecture (1975); buildings include the Grand Palais and associated developments in Lille, France (1989–96); books include S, M, L, XL (1996)
[koi-loh-nik-ee-uh] /ˌkɔɪ loʊˈnɪk i ə/ noun, Medicine/Medical. 1. an abnormal condition in which the outer surfaces of the nails are concave; spoon nail. koilonychia koi·lo·nych·i·a (koi’lō-nĭk’ē-ə) n. A nail deformity characterized by concavity of the outer surface of the nail. Also called celonychia, spoon nail.