Related Clues:

• Stale smell
• You can't see it even when it's masked
• Distinctive scent
• Noticeable smell
• Percolator by-product
• It lures people to the kitchen
• Portable toilet problem
• Body ___
• Wine feature
• Fumes may produce one
• Quality added to natural gas
• Oxygen's lack
• Garbage strike problem
• One might make you hold your nose
• Tracking dog's indicator