Top Definition
When you wake up in the morning after a long night of hard core drinking and smoking and you get up and don't brush your teeth
As an example, Giggles woke up from a crazy night of drinking and smoking at a friends house (without brushing her teeth when she woke up). When she woke up she tried talking to her friend, first thing that was said was "damn you have some serious ratchet mouth!"
by snakz February 23, 2014
5 Words related to ratchet mouth

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