Related Clues:

• Follow your nose to get how fishy this is at last
• Sounds as if one knows to tell you it's unpleasant
• '21 across for vengeance, by the sound of it (4)'
• Need a shower
• Be mephitic
• Smell worse than bad
• Does Croagh Patrick smell?
• Foul quality
• Make a big stink from European losing head
• Not the first Grecian smell
• Smell, starting with fish...
• Smell smoke
• Odour of nets suspended over church
• The smell of Sunday's fish
• The point with fish is the smell