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wing nut

noun

Simple Definition of wing nut

  • : 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

Full Definition of wing nut

  1. 1 :  a nut with wings that provide a grip for the thumb and finger

  2. 2 slang :  a mentally deranged person

  3. 3 slang :  one who advocates extreme measures or changes :  radical

Circa 1900

First Known Use of wing nut

circa 1900


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