Someone who is only good at drinking, raging, raving, and partying. They go out harder than everyone else, always have more fun, but have no idea what happened. For them, everything else in life is secondary to dusting.
Hungover person 1: "Did you see Sean chug that bottle of Grey Goose last night, destroy the dance floor, and get kicked out of the club"
Hunover person 2: "Ya, what a duster"