The accumulation of shit in one's digestive system due to overindulgence, overeating or simply for being on vacation. Accumulation for not giving the ass enough time to process all the food you put in your mouth.
Hey! How was your vacation in Italy? "great, we had a blast, except my "mouth to ass ratio" was high for eating bucket loads of pasta every day"
by Caribbean Jim July 9, 2013
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A phrase generally used as a threat. The origin of this word is unknown, but it is generally used from male to male. It threatens the act of homosexual oral anal sex within the straight guy community.
Dude, if you don't stop messing with my girlfriend, Imma mouth your ass!
by FHN_Nathan February 19, 2011
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Gross condition of Bad Breath and 'Shit-Teeth' caused from Rimming or Eating a Guys Ass, and NOT Brushing afterwards.
"Everybody at the Party was SO Grossed Out by My 'Ass Mouth' nobody`d talk to me!
by Gregor Peebles January 3, 2006
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The type of mouth you get after a night of heavy drinking and taking drugs in excess of number. It consists of a sticky velcro tongue (so sticky it could stick to a dogs bollock and you get a dog fart in your face), a dry cloggy throat that's 1mm wide, furry teeth and lips that have flaking peeling dry skin coming off. It also creates a mouth that is non-quenchable by any liquid, it even makes ice water taste like you're licking the inside of a dustbin.
Courtney: My ass mouth is making me wana slit my wrists and dance in my own blood, I wish I had some turboce.
Amber: I'm not suprised, you're breath smells like a decapitated corpse, have a polo.
by ***Amboce*** June 3, 2007
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1. Extreme halitosis (bad breath).

2. A person who suffers from extreme halitosis, to the point where the only logical explanation for such bad breath from a human being is that he/she uses dog shit for toothpaste.
Well, what do you expect, ass-mouth doesn't have time to brush his teeth because he's on the internet all the damn time.
by Kevin Howlett February 17, 2004
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The wrinkles that unhappy old ladies have around their mouths. Often caused by smoking. And also being uptight.
If it wasn't for Botox, Ann Coulter would totally have ass mouth.
by anncoulter June 8, 2011
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All talk; no follow-through
Dude, that web designer you sent me, a bad case of battleship mouth;rowboat ass. After we contracted, he never even called me back.
by Jeremy Sherman June 10, 2008
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