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
 Get the Methane and sulfur compoundsmug.
Get the Methane and sulfur compoundsmug. 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
 Get the methanical pancake swivellermug.
Get the methanical pancake swivellermug. Driving through America’s heartland, the inviting scent of eau de methane gently wafts into our nostrils.
by Dr Bunnygirl August 8, 2019
 Get the eau de methanemug.
Get the eau de methanemug. 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 15, 2010
 Get the Muddy Methanemug.
Get the Muddy Methanemug. 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 June 3, 2005
 Get the Reverse-methane processmug.
Get the Reverse-methane processmug. by gimpfeet April 1, 2009
 Get the Methane breath Mintmug.
Get the Methane breath Mintmug. by Libby.elaine._ October 9, 2023
 Get the Methane Munchermug.
Get the Methane Munchermug.