(slang, chiefly US) An eccentric, strange or crazy person.

plural of kook

(surfing, dated) A leg rope.

plural of kook cord

Any of several species of kingfishers in the genus Dacelo.

(slang) Eccentric, strange, or foolish; crazy or insane; kookish. / (surfing) Behaving like a kook (a person with poor style or skill); kook-like.

A kookaburra of the Aru Islands, with blue wings and tail, a white chest and belly, dark eyes, and a striking white-spotted black head, Dacelo tyro.

The state of being kooky.

plural of kookaburra

comparative form of kooky: more kooky