Related Clues:

• Zooid
• It loses zest as it gets old
• Filmgoer's drink
• Teetotaler's selection, perhaps
• '20 Questions' category
• Orwellian farmer
• Bubbly buy
• Bicarbonate of ___
• Fizzy soft drink
• Pop in the mouth?
• Square cracker
• 27-Across, e.g.
• Concession stand purchase
• Soup toss-in
• Vodka mixer