When a man is performing oral sex on a red headed woman with a fully developed red bush, just as the woman begins to reach climax she squeezes out a gas whisper in her partners face.
by James J. Brown March 31, 2009
 Get the The Methane Murphymug.
Get the The Methane Murphymug. Shame on you if you know how to release a methane freebie in public, especially at the dinner table.
by Sexydimma  October 30, 2014
 Get the methane freebiemug.
Get the methane freebiemug. n. derisive term for a human being. all humans release methane when they fart, therefore they are methane dispensers. get it? a farter. person. dude or dudette. breeder.
by Vernon Reed May 5, 2008
 Get the methane dispensermug.
Get the methane dispensermug. While spooning (a form of cuddling), the little spoon farts into the crotch of the big spoon, warming them both.
by Stumanji February 14, 2012
 Get the Methane Cuddlemug.
Get the Methane Cuddlemug. A male person who is renowned for polluting the air with liberal amounts of methane and other noxious gases via his anus.  A guy who farts a lot.
by Busted Hyman July 6, 2006
 Get the Methane Manmug.
Get the Methane Manmug. When you are eating a girls ass out and she farts in your mouth. You then hold the fart in your mouth and pass it from your mouth to hers.
"Man last night this chick and I were fucking, but she farted in my mouth when I ate her ass out"
"Did you swallow it?"
"Nah, man I just did a methane exchange and gave it back to her."
"Nice, dude"
"Did you swallow it?"
"Nah, man I just did a methane exchange and gave it back to her."
"Nice, dude"
by Casual Rapist May 24, 2013
 Get the Methane Exchangemug.
Get the Methane Exchangemug. For example, Methane Madness is categorized into five types of farts.
Category 1-Train Smoke
Category2-Sewer Stench
Category3-Orange Blossom Special
Category 4-Acid Burn
Category 5-Soft Serve (aka wet fart)
Category 1-Train Smoke
Category2-Sewer Stench
Category3-Orange Blossom Special
Category 4-Acid Burn
Category 5-Soft Serve (aka wet fart)
by Helsinkismashrod November 9, 2009
 Get the Methane Madnessmug.
Get the Methane Madnessmug.