Top Definition
Discriminating against a person because of their taste in music, or any other type of interest for that matter
After listening to someone, who happens to like metal music, talk extensively and competently on a subject of importance, a shallow skank makes the comment, "Wow, that was pretty deep for a metal guy." And then I say, "Hey bitch, that's tasteism."
by Eris1723 December 20, 2008

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