Methane Mouthwash

When you drop your drawers and bare-ass fart into your sleeping friend's open mouth as they are breathing in, causing them to jump awake and spit.

Dude, John is passed out with his mouth wide open. You should go and give him a methane mouthwash and see how fast it makes him stop snoring!

by Mr. Led Zeppelin March 21, 2020

methane manwich

When you squat over someone, inserting their face between ya ass cheeks and fart in their mouth.

Susan was snoring in her sleep so I posted up and dropped a methane manwich down her throat.

by FireDaddy-D December 12, 2021

Methanogen

A person who has head so far up his butt, for so long, that he can survive, nay must survivev, by exclusively breathing methane gas

RONNIE RAYGUNS WAS A TRUE METHANOGEN.

by DOCBison October 5, 2022

Methane Muncher

a person who likes to sniff farts

Ayden is a little methane muncher.

by Libby.elaine._ October 9, 2023