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The taste in your mouth when you wake up if you neglect to brush your teeth the previous night/day. Usually occurs from a night of heavy alcohol consumption. It can also have the feel and density of overly-sweetened honey.
Drinker 1: Man I have this horrible taste in my mouth.

Drinker 2: Dude you drank a lot last night and just passed out on the couch. You've got cat shit in the mouth.
by ajgenard September 11, 2009

Words related to cat shit in the mouth

catshit in the mouth oral hygiene plaque toothpaste tooth sweater