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a word used to describe someone who is completely useless, annoying or just plain acts like a complete retard.
Josh: Patrick is such a dustfuck.

Zach: I know, all he does is play X-Box and jerk off to yaoi and guro.

Patrick: Not even. Paris Hilton's the biggest fuck-dusting whore ever.

Josh: Touché.
by Paul Oppelt February 19, 2009