When someone shoves their partner under the blanket and shits in their mouth. Then lighting a lighter causing the shit to make a horrendous smell trapped in the blanket with the victim.
I just put my girlfriend in The Gas Chamber last night and she died
A sex act involving two consenting adults where the male and female are 69ing each other naked with the girl’s butthole facing over the male’s mouth and the girl farts in his mouth making him taste her juicy, stinky farts for sexual pleasure.
Chelsea: Hey Brad, do you want to try the gas face tonight with me?
Brad: What’s that?
Chelsea: It’s where we 69 each other naked and I fart in your mouth.
Brad: What? Eww gross. No thanks.