1 definition by D.W. Davis

A small pipe used to smoke your chronic. It comes from the latin roots "mellonious", to chill, and "phonius", to smoke.
Big Bird was a consumate user of the mellophone down on Sesame Street. (Cookie monster too; hence the munchies)

Please don't empty your mellophone in my car ashtray, my parents are very suspicious and paranoid people.
by D.W. Davis January 10, 2006
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