noun
a whimsically eccentric person
• Hypernyms: ↑eccentric, ↑eccentric person, ↑flake, ↑oddball, ↑geek
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noun : a foolish, eccentric, or crazy person
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a deranged person; lunatic.
[1955-60]
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nut|case or nut case «NUHT kays», noun,
Informal. a wildly eccentric or insane person.
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Useful english dictionary. 2012.