excreting the contents of a long night out from one's mouth (vomit)
dude, we got fuckin hammered last night, i think i'm gonna mouth poop!
by bender_82801 January 29, 2009
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An insulting term used to refer to a person who frequently employs foul language.
"Why, Ron, Why? Why did you say those things...you, you nasty poop-mouth. Poop...Poop mouth, get that poop out of your mouth" "Garth, If I gave you some money out of my pocket would that help ease the pain?"
by Michael McG April 8, 2008
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foul odor from mouth caused by an infection or impacted tooth
she has poop mouth cause of her impacted wisdom tooth
by stinkyloves September 4, 2011
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ugly n.The term used when someone has decaying teeth.
They called me poop mouth. They said I had a river of poop in my mouth.
by Chloe April 22, 2005
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adjective: When someone and/or something smells terribly bad.
(To a Steele Reserve can): "That can smells like poop mouth right about now."
by Thaddeus & Lando December 2, 2005
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Someone who talks a lot of shit... or is a one upper.
Shut up Poop Mouth, you did not climb Mt. Washington!
by Craig Gauthier April 15, 2007
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when someone has yuk mouth.
That chick was hot but she had poop mouth
by Will.b October 3, 2006
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