1 definition by rreynolds15

A term used to describe half an arm, or a arm stump. You could also call it the ๐“ฏ๐“ช๐“ท๐“ฌ๐”‚ version of nub.
Girl 1: That girl has an arm stump!

Girl 2: No itโ€™s called a knub!

Girl 1: Wow what a cool word!!
by rreynolds15 May 5, 2020
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