Methane and sulfur compounds are stuff that comes out of your butt. It's basically a fart. The methane is the loud part of the fart, while the sulfur compounds are the stinky part. The more sulfur compounds it has, the stinkier the fart.
by HawaiianPunch1 December 20, 2021
A man with long, greasy hair, green teeth, baggy pinstripe trousers with braces and white plimmies. He sneaks around on farmland waiting for a cow to drop a pat. Slavering with excitement he drops his pants and swivels his bare arse on the still-warm bovine pancake whilst making high-pitched mooing sounds.
by Clagbo July 19, 2006
Driving through America’s heartland, the inviting scent of eau de methane gently wafts into our nostrils.
by Dr Bunnygirl August 8, 2019
Farts that can often leave residue, often in the form of streaks, which can cause a wet muddy feeling between your ass cheeks.
Hey slut! Bring me a dish towel so I can clean up my muddy methane. Now, eat my asshole out you fucking asian cum whore.
by AmichaelG1 January 10, 2010
When you have so much air pressure in your intestine that your bowls begin to retract causeing an imbigulously involuntary extraction of fecies into the lavoritory causing the dihydrogen monoxide to be intercalated into your rectum.
Doctor: your son will not be living much longer.
Parent: why?
Doctor: im sorry to say that he... he(sigh).. he has undergone the Reverse-methane process.
Parent: thats to bad. i guess.
Parent: why?
Doctor: im sorry to say that he... he(sigh).. he has undergone the Reverse-methane process.
Parent: thats to bad. i guess.
by Rolf M Nate G May 29, 2005
by gimpfeet April 1, 2009
by Roc.g.forgione@gmail.com August 28, 2015