This person is a fucking idiot because A: this is retarded and B: ass to mouth is for when you're fucking a whore in the ass & slam your dick down her throat right after.
Methane isn't converted to carbon dioxide because CO2 is the byproduct of aerobic respiration, which involves OXYGYEN not METHANE you stupid ass fuck. ass to mouth conversion, ha.
by butt_dog November 16, 2006
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a sexual partner that loves shitter to the spitter penetration without the benefit of soap and water of a handiwipe
Jill is such an ass to mouth whore that she looked like she had chocolate velamints for teeth when I was through with her.
by Me likey! November 20, 2007
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Haveing anal sex with a whore through a cut out hole in the mouth of a photo of your ex-girlfriend
I was so drunk last night I pulled an "ass through mouth" on this tranny I met.
by JoeBob111 December 11, 2007
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Essentially the inability to control one's bowels from both openings (mouth and anus) simultaneously. Usually brought about by the ingestion of improperly prepared food containing harmful bacteria or allergens.
Dave: Did you hear what happened to Steiny out in India?

Josh: Yeah, he shat and barfed all over his bed after he caught ass-and-mouth disease from that street vendor!
by PME InfoSource April 25, 2007
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When you're so poor, you have to eat your own shit to survive.
I just got out of prison and no one will hire me, guess I'm living ass to mouth for a while .
by TheBankDick March 18, 2020
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When you put warm creamy butter into a slut's gaping asshole, fuck her until the butter becomes a goey liquid, pull your throbbing cock out with the mixture of shit,cum and butter on it and get the filthy slut suck it clean!
That filthy slut Chloe let me do Butter ass to mouth . That hoe licked my schlong clean!
by Ass to mouth lover69 October 09, 2016
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