n. 1. one who knocks farts
2. one who has the ability to penetrate gas with solid
3. one who can walk through a green cloud with no ill
4. one who thinks he/she has discovered a door, only to
realize later that it was a fart
5. a brown, smelly ghost
6. one who uses: lol, ur, prolly, teh, etc.
Bruce: Knock knock.
Bob: Who's there.
Bruce: Fart.
Bob: Fart who?
Bruce: Fart Knocker.
Bob: Fuck you.
by camp lickalotta March 13, 2008
Top Definition
A generic insulting noun, coined by Butthead of MTV's Beavis and Butthead.
While they were watching the premier of GWAR's "Saddam a Go-Go" video, Beavis got in Butthead's line of view of the TV. Butthead shouted "Move it, fartknocker!"
by SoulfulZen May 14, 2005
Originally slang for male homosexual, but the phrase has been used so widely (mainly by second-graders)that it now can mean almost anything.
1. I think Devon must be a fart-knocker. 2. Hey, fart-knocker, your cheating!
by Ben Carmitchel, IL April 25, 2003
n. someone who is a loser or a moron; used as an insult by Second Graders
SHUT UP! You're a fart knocker!
by Saint Shaggy November 05, 2002
Reference to anal sex, basically a variant of "fudge packer." Usage hijacked and generalized by the Beavis and Butthead show in the 90s.
Those fart knockers are outside the gay nightclub again having a smoke.
by Janet90232 October 08, 2007
A semi-derogatory term that is based on a long, popping fart that simulates the sound of knocking; often farted on wooden chairs.
kiss my ass you fartknocker
by Jodayo July 20, 2003
One who impacts a fart in the rectum with his penis.
"Keep your back to the wall!", shouted Ned. "There is a fart-knocker loose in the museum!"
by bleccch22 March 22, 2010
A dumb ass
My boss is a fartknocker.
by Fartknocker girl June 19, 2003

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