Related Clues:

• Something fishy?
• It could be disagreeable
• It comes out in the wash
• Hound's clue
• Pheromone quality
• A mothball may have one
• It may be masked or disagreeable
• Nose stimulant
• Air spray target
• Reason for a clothespin, in comics
• Spray target, perhaps
• It may hang around in the locker room
• Olfactory detection
• Some insoles prevent this
• A telltale sign