The act of carrying two iphone 4's, often with different wireless providers, likely to impress one's colleagues, in an attempt to prove one's self worth and have more iphones than you.
Hey Broseph, did you see Ian double dusting at the dinner table?

Yeaa, he's trying to impress Nicole.
by Don Juan Julio da Double Dusta January 12, 2011
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A Diddy, Jig, Dance. Promotes Style, Character, Energy.
Busting out the Double Dust Off brought home the Gold in last nights Dance Off competition, ol Bennie Boy killed it yo!
by Bennie BoyTV June 15, 2019
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