Related Clues:

• It gets flat when it's old
• Soda selection
• Tab, for one
• Fountain output
• Float component
• Pop flavor
• Summertime quaff
• Pop or jerk
• Burger and fries complement
• Drink with a straw
• It flattens as it ages
• Coke or Pepsi
• Fountain fare
• Caffeine-rich beverage
• Beverage choice