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Grog is an alcoholic beverage, probably a mixture of ale and something stronger, served in bars and Officer's Clubs. When Sire Uri starts talking about disarming the Fleet, Apollo comments that he hopes it's the grog talking (TOS: "Saga of a Star World").
- Grog typically refers to an alcoholic beverage made from weak beer (or even water) and rum. It was standard issue on British Royal Navy vessels for over two centuries.