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1.
The shitty taste in your mouth you wake up with that gets left after a very long night of drinking, a combination of beer and food rotting in your mouth while you sleep.
Billy: "dude, this morning Cindy was trying to kiss me, i wasn't having it, that bitch had Dumpster Mouth"

Justin: "dude, i feel you"
by ACmilan22 September 11, 2010