kookie

Definitions of kookie
  1. adjective
    informal or slang terms for mentally irregular
    synonyms: around the bend, balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kooky, loco, loony, loopy, nuts, nutty, round the bend, wacky, whacky
    insane
    afflicted with or characteristic of mental derangement
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