Related Clues:

• Background noise
• Forget the lyrics, maybe
• Olfactory clue
• Olfactory stimulus
• Sound of a well-tuned engine
• Early video game
• One of the senses
• It may make the nose wrinkle
• Searched fumblingly
• Go smoothly
• Big stink
• Dumpster emanation
• Sound from a fan
• Motor sound
• Use kazoos