2 definitions by Chong69

A person (preferably a male) who only has one testicle due to circumstances like cancer, etc.
I heard Sam had cancer and became a one nut.
by Chong69 September 7, 2020
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Someone who has one nut and gets a replacement nut made out of metal
Sam is a steely
by Chong69 September 7, 2020
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