- You may also be looking for the card game, gin rummy.
Gin was an alcoholic beverage distilled from grains on Earth.
Gin was the chief ingredient in a martini, along with vermouth. (TOS: "The Cage", "The Menagerie, Part I")
A Klingon martini was a cocktail created by mixing vermouth, gin and Klingon bloodwine. (VOY: "In the Flesh")
Tom Paris requested a gin and tonic at the Kadi reception on board USS Voyager. (VOY: "Someone to Watch Over Me")