1)When a hot chick gets on her knees and is surrounded by cocks all slapping her in the face, while a spectator jerks off and cums on her face.

2)When a hot chick strokes two dicks next to her face while another guy watches and jerks off, then cums on her face.

3)When a chick gets her mouth fucked by another girl with a strap-on, while a dude watches and jerks off on the chick's face.

4) Anytime a guy watches and jerks off, while a girl gives a blow job (with lots of cock slobber) to one or more guys and/or chicks with strap-ons. The spectator usually cums on the chick's face.

5) The male spectator figure in any of the above situations.
1)She got a dirty dustin all over her face.

2)Dirty dustin is like porno fantasy camp.

3)You probably think I'm a dirty dustin, don't you?
by Dirty Dustin October 25, 2006
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the act of a crazy ass night of sex. 12-24 hours long. involves starting with a date, hinting at the want of sex, and proceding into every sex postion possible. lovers may also want to do things such as the alabama hot pocket or the clevland steamer or such like that. all of the perverted, kinky, things u can do to ur fucker. all is involved in the dirty dustin. by the end of the night u shall be all out of cum and will be literally pissing on ur fucker.
last night, me and that ho did a 36 hour of the dirty dustin. that shit was fuckin crazy. we did it ALL.
by Jizzmaster 696969 October 21, 2007
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When a woman is wearing a strap on device and receives a blow job from a man. During the blow job she pulls out of his mouth and slaps him in the face or neck leaving a mushroom shaped bruise.
What happened to your neck, did your wife do the dirty dustin.
by amanda junteneun September 14, 2006
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