Related Clues:
- Float part
- Fizzy mixer
- Egg cream component
- Lemon-lime drink
- Stadium beverage
- Ginger ale, for one
- Fast-food menu item
- 22-Across and ___
- Word with "pop" or "fountain"
- Effervescent drink
- With 18-Across, carbonated drink
- Malt shop offering
- Mojito ingredient
- Club or cream, e.g.
- Something that shouldn't be flat