Slang usage, chiefly in surfing and informal contexts.
Definitions
To blunder or perform ineptly, especially while surfing; to act like a kook. He kooked the takeoff and wiped out on the inside section.
Synonyms
act bizarrely
act unpredictably
behave erratically
freak out
go bonkers
go crazy
act crazy
act nutty
behave oddly
act kooky
behave eccentrically
act eccentrically
Attributive use of the noun meaning ‘eccentric, strange’.
Definitions
Eccentric, strange, or characteristic of a kook (used attributively). They dismissed his kook ideas as impossible to implement.