A tennessee mouthwash is any drink containing any amount of tennessee whisky.
Dude 1: "Dude what are you drinking?"
Dude 2: "Jack Daniels and Coke aka a delicious tennessee mouthwash!"
by Lench Mob December 12, 2006
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She’s so fine, I’d like to take her home and give her some Tennessee Mouthwash!
by Beavis_Christ_66 September 9, 2022
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