Possible Clues:

• Thirsty? Swallow one drink
• Parched? Then swallow one drink
• Bond holding?
• Spot for an olive
• Thirsty? Swallow a drink
• Cold gin with vermouth
• Oxymoronic drink?
• No water with it, in short, but lots of gin
• Thirsty, swallow one drink
• Without water swallow single drink