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Noun: kook  kook
Usage: N. Amer, informal
  1. Someone regarded as eccentric or crazy and standing out from a group
    - odd fellow, odd fish [informal], queer bird [informal], queer duck [informal], odd man out, odd bod [Brit, informal], odd one out

Derived forms: kooks

Type of: individual, mortal, person, somebody, someone, soul

Encyclopedia: Kook