To fart in one another's face while performing mutual fellatio or a 69
There are two different forms of Dusting, Wet and Dry.
I believe that is self explanatory.
That couple couldn't find satisfaction in a 69 with out a good dusting.

Other uses: I'd love to Dust that guy (singular)
I just Dusted that guy (past tense)
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to shake parmesan cheese all over your Fazoli's breadsticks.
to dust: dusting: dusted
Jon: Hey man, Fazoli's today?
Matt: Yeah dude, I've been hankering for a good "dusting".
Jon: Yes, after we have "dusted" our breadsticks,It will look just like the picture.
by CrissCrossMcGee March 13, 2008
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Going faster than someone else, particularly in some sort of formal or informal competition ; in driving, running or walking. As in "leave in the dust".
He was running at a good pace and I was a little behind him, but when we got to the hill I dusted him. I never saw him again.
by cyberfool April 21, 2009
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It means the same thing as dirt or anything gross.
by WhitneyCee.Eye May 25, 2010
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As in the act of "getting dusted." A person may dust a penis with a type of food before performing oral sex. Most commonly referred to in the act of using Doritos dust, but can also be used in the case of powdered donuts, cheetos, ect.
"He let me dust him before I went down on him last night!" "Bro, she dusted me last night. I've never been sucked so hard."
by MarleyBarbie3 March 26, 2014
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to completely beat someone in a race.
Yo i dusted yo ass in da 55m dash
by Rowlz May 31, 2005
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