Related Clues:

• Smell like 12 Across
• 'Stink, stench (4)'
• Not sent, by the sound of it
• By the sound of it, it's sent not to be nice
• 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
• Be utterly awful
• Smell worse than bad
• Does Croagh Patrick smell?
• Make a big stink from European losing head
• Not the first Grecian smell
• Smell smoke
• Pong