Related Clues:

• Gas-leak clue
• Olfactory property
• It may linger
• It may waft
• Barbecue factor
• Arrid target
• Bad odor
• Flagrant fragrance
• Nostril nudger
• It may be fishy
• Something carbon monoxide lacks
• Scandal emanation, figuratively
• Musk quality
• Nasal offense
• Breath mint target