Related Clues:

• Cuba libre ingredient
• Favorite pop, to some
• Aerated drink
• Soft drink nut
• Contract's escalator clause, for short
• Carbonated beverage
• Sandwich side
• See 43-Across
• Caffeine-rich nut
• What 7-Up isn't
• Brown beverage
• 7-Up it isn't
• Tropical nut
• Drink with fast food
• Source of caffeine