Another one of the countless names for masturbating. Derived from the movie "Almost Heroes" staring Chris Farley (RIP), in which him Matthew Perry portary Lewis and Clark. However, one should note that in the movie the phrase is not used to describe masturbation, but the various acts of sex. Over time the phrase has changed meaning.
10 bucks says he Polishes The Pewter thinking of that night those chicks picked HIM up.
by Cambone August 22, 2005