Related Clues:
- Sommelier's detection
- Sea of Tranquillity, e.g
- Smell made in an Italian city
- Smell, fragrance
- Evidence of burning rubber
- Sulfur dioxide quality
- Nose stimulator
- Reason to use Febreze
- "Don't eat me" indicator
- 'P-U!' inducer
- Evidence of food that's turning
- Litter box emanation
- Pong wafts up from Bohemia-Moravia
- Unseen attraction
- What's added to natural gas