Top Definition
A man who has lost a testicle during a war
My grandad is a knob hole. seriously, stop laughing.
by Scottface December 01, 2006
8 Words related to knob hole
knob hole

man with very small penis. stupid man or woman. hole at end of penis.

e.g

boy: i hate you. you're such a gay!
girl: shut up. stupid knob hole!
by Loziie April 18, 2007

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