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A brown-noser; a sycophant.

Jim is always trying to curry favor with our boss; he's a real helmet-polisher.
by Jeff Kane December 03, 2005
One who is so adept at performing felatio that the head or "helmet" of their partner's dick takes on a shine as if it were polished.

An insult used to define someone as homosexual based on the fact that they are an expert at sucking dick.
Hey man, that little helmet polisher Katie just gave my rod a spit shine!

Hey, fuck off helmet polisher!
by Shaft_Dick August 02, 2008