Related Clues:

• A smoker may flick it off
• Barbecue by-product
• Campout fallout
• Holy Wednesday forehead marker
• It buried Herculaneum
• Soap brand with pumice
• Butt remains
• Common tree
• Dusty remnant
• Liquefied rock
• Body shop soap
• Dial alternative
• Eyjafjallajökull output
• Fireplace debris
• Word with "blond" or "Wednesday"