The act of placing a hit of coke on your partners Balloon Knot and having them fart it into your nose.

See also "Knot Gunning", "Angel Dusting"

When snorting coke off a strippers ass just isnt enough.
Hey Mike, how did it go with that stripper last night.

Dude she's a total freak, she was Fart Knocking off me all night.
by Elroy the Great November 12, 2011
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“Fart” is a flammable gas that our bodies produce and eject which is often set on fire by some people

“Knock” comes from “engine knock” is when the fuel in an internal combustion engine prematurely combust in the cylinder (damages the engine)

fart knock” is when a person attempts to set their own fart on fire, but end up combusting his/her fart before it goes out of the anus, as a result, his/her anus is blowed up or barbecued from the combusting fart
My friend went to the hospital, because he tried to set his fart on fire, but ended up with Fart Knock
by Person #37878678 September 5, 2021
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when someone knocks on your ass until you fart much like shart knock
by vhcuo0gogfd May 11, 2014
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the act of when a man farts on a girls boobs
I was fart knocking her last night.
by human.0 December 26, 2017
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