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A person who does a fart (usually silent) in an area and then leaves, thereby leaving the smell for others to savour.
That guy is a mean cropduster.

He was the worst cropduster that I've ever met.
by stub004 July 06, 2004
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2
A car with some sort of engine problem that causes it to release an abnormal amount of exhaust, usually of a bluish color.
Boy, that old Impala was quite the crop duster.
by Zone-Ranger October 08, 2007
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3
When a person farts as they walk past you and some buds.
Damn, man the dirty kids fucking crop dusted us again!
by heavy-d March 12, 2003
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5
To lay a silent fart down the aisle of a grocery store when someone is toward you...and listen to them gag.

see click and drag
son: "Dad why is that guy choking and hacking like that?"
Dad: "Cause daddy just laid a crop duster."
son: "OMG he's turning blue!"
by Punkhead May 25, 2005
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6
When somebody throws their on shit on the ceiling and then turns the fan on and it all falls back into their face.
Crop Dusters shit just flew back into his face.
by PayBacksABitchh August 04, 2018
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7
When spooning with your woman, and you are in front with your back to her
front, if a fart accidentally sneaks out into her bush, it's called crop-dusting.
by Will, Dan, Emily @ the CC March 31, 2003
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