Related Clues:

• Something carbon monoxide lacks
• Musk quality
• Nasal offense
• Breath mint target
• Gas-leak evidence
• Skunk output
• Effluvium
• Foul emanation
• It's in the dumps
• Something picked up in a gym
• It's down in the dumps
• Strong smell
• Reason for air freshener
• Unpleasant smell
• Potpourri quality