Related Clues:

• Ammonia, e.g.
• Test for freshness
• Something noticed at a fish market
• Carry a stench
• Stink up the joint
• Cause wrinkled noses, perhaps
• Make a big stink
• Raise a stink?
• Fetor
• Really need a bath
• Detect, in a way
• Detect with one's nose
• Something picked up in a locker room
• Have B.O.
• Offend the olfactories