Related Clues:

• Fast-food offering
• Moviegoer's drink
• Scotch and ___
• Creme ______
• Carbonated quencher
• Fizzy mixer
• Egg cream component
• Lemon-lime drink
• Stadium beverage
• Ginger ale, for one
• Fast-food menu item
• Word with "pop" or "fountain"
• Effervescent drink
• With 18-Across, carbonated drink
• Malt shop offering