look up any word, like cunt:
 
1.
The practice of breaking wind while walking past somebody else.
Rudy crapdusted the whole section; he's one crapdusting bastard!
by Vlad the Impaler September 21, 2006
 
2.
accidentaly shitting your pants as a result as an over zealous attempt to crop dust.
"dude, i tried to crop dust the library, but i ended up crap dusting it"

"you still got the pants?"

by famousfrank January 15, 2009
 
3.
The practice of engaging in flatulence while in a crowd or line of people and then immediately moving through the crowd or line in such a manner as to spread the trail of fecal particles for optimum inhalation by all.
"Eleven people upchucked in the hallway after Bill crapdusted the entrance to the comedy show. A magnificent, high-hobopower crapdusting that will be remembered for years."
by NJC November 30, 2009
 
4.
(v) - When a person has to take a crap so bad that when they pull down their pants to mount their throne, they produce their gassy emmissions all the way down to the toilet seat as if fertilzing the area and their own nostrils.

(v) - Same as above except on a larger scale when one can not wait till they get to the bathroom and begin their emmissions from some point outside the bathroom. This person will often fertilize more than their own nostrils.
"Man....after all that Chinese food, my butt was crap dusting all the way to bathroom!!"
by Phrase Generator February 20, 2007
 
5.
Let one rip right before leaving a store and be sure to do a lap around the perimeter to tickle the nostrils of all the unlucky patrons.
"Dude, i just crap dusted the shit out of Blockbuster"

"what the hell is crap dusting?"
by BlumpkinAftermath January 03, 2009
 
6.
To fart or to pass gas when there's no danger of anything solid coming out with it.
I knew there was something making me feel uneasy, but after a little crap dusting I felt just fine.
by Seymour P. Clyde Aloysius Jones August 03, 2006
 
7.
Farting while walking or walking while farting. (silent or audible)
I crap dusted my way down the sidewalk.

I was crap dusting as I walked away from her.
by Bubbacop October 30, 2008