wing nut

noun

Definition of wing nut

1 :a nut with wings that provide a grip for the thumb and finger
2 slang :a mentally deranged person
3 slang :one who advocates extreme measures or changes :radical

First Known Use of wing nut

1834


WING NUT Defined for English Language Learners

wing nut

noun

Definition of wing nut for English Language Learners

  • : a piece of metal that has a hole in the center and two projecting parts and that you can screw onto a bolt by using your fingers


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