Flatchumidity

The high percentage of humidity that exists in the buttocks region/trousers soon after flatulance has occurred.

I have a stain in my shorts from the flatchumidity.

by Fart Smeller2 July 2, 2011

flatch

Short for "Flatuence"

"Did you just flatch?"

by Doc Evil July 24, 2003

flurch

When you fart and unexpectedly shit your pants.

Aww man, I flurched yesterday waiting for the John...

by Jon-Miester November 11, 2008

Florch

When one is

A: preforming oral sex on another who has a visible sexually transmitted disease on or around their genitals

B: someone who is beyond the point of sobriety

Sick fuck: "dude I florched this hooker last night"
Other dude: "you sick fuck!"

OR
Hungover dude: "man I was fuckin' florched last night"
Other dude: "yeah man you were so florched you jumped off the roof!"

by Florch my porch December 17, 2016

flargh

An utterence used in frustration. Especially after a frag.

Flargh! You killed me!

by Mo March 17, 2004

Flatchilism

The act of a person, or group of people, flatlining, or killing, some concept or noun.

Carl: "I hate all these white people submitting words on Urban Dictionary that they made up that make no sense, it's pure flatchilism!"

by Jaded Eyes April 27, 2010

Flarthrower

To suck the fart from the anus and then ignite while blowing the gas into the air like a flame thrower.

Hey Dan, use this lighter after sucking out that fart, show me how to be a Flarthrower.

by Andacon December 3, 2014