When an aroused man frantically rubs his turgid penis, it gives the impression that he is polishing it until it shines; hence he is a nob shiner. Used as a derogatory term to indicate a person who is behaving foolishly in the eyes of the speaker.
I saw that Halifax advert the other day and, I tell you what, that Howard is a right nob shiner.
by Craig August 10, 2004
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Coupling of words used to insult and enrage a fellow by suggesting he "shines knobs"
More offensive than the word "wanker" as it suggests that the victim of conversation pummels penis so vibrantly, that the offending love lance develops a shiny, glossy sheen.

often abbreviated to "Shiner"
1.
Steve: "I think that the band Limp Bizkit are super awesome"

Dave: "Shut up you knob shiner"
by Ali August 29, 2004
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