The act of placing a hit of coke on your partners Balloon Knot and having them fart it into your nose.
See also "Fart Knocking", "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 Knot Gunning off me all night.