Related Clues:

• Smell like 12 Across
• Make musical sound with closed lips
• 'Stink, stench (4)'
• If, though sound, it bled, that would have cut it down to size
• Not sent, by the sound of it
• This could have bled in a base sort of way
• Sounds as if one knows to tell you it's unpleasant
• 'By the sound of it, an addition could make it like us (3)'
• '21 across for vengeance, by the sound of it (4)'
• Need a shower
• Be mephitic
• Sound of a fan
• Smell worse than bad
• Does Croagh Patrick smell?
• Make a big stink from European losing head