flatknocker 

a lesbian girl who enjoys taking her vagina and knock it on other vaginaes.

Hey, does your sister have a boyfriend? No, she is dating woman, shes a flatknocker.

flatknocker by Aasmund March 28, 2007

fartknocker 

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!"

fartknocker by SoulfulZen May 15, 2005

Fartknocker 

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

Fartknocker by Jodayo July 20, 2003

farknocker 

(said "fark-knocker"
a) a stanky fag who smells like duckbutter
b) perpetrator of a smell that lingers endlessly
c) an idiot who most certainly has bread for brains.

Dan is a gagly farknocker.

farknocker by trampragg March 23, 2008

flatcockers 

2 girls who bang their hips and pubic bones against each other as they make love to each other.

Oh my! Did you see those flatcockers in action?
I live in the South and this word has been in use for many years here. I was surprised it is not currently featured at urbandictionary.com.

flatcockers by Southern Man February 1, 2006

Flibknocker 

Someone who engages in faggy video games. Especially those with cringe followings
(Omori, Danganronpa, Persona, genshin, etc...)

"he's playing Omori, what an absolute Flibknocker"

Flibknocker by AERO-Lithium April 26, 2022

fartknocker 

derogatory term used to describe a homosexual male. a term given to the penetrator, not the penetraitee. the act of man on man love would "knock" a fart back up where it came from. similar too 'packing the fudge'

they're just a couple of fartknockers.

fartknocker by tony bob May 28, 2006