Related Clues:

• Besmirch
• Feather bed?
• Low-___
• Two-lane topper
• Feather's mate
• Road sealant
• Unhealthy part of cigarettes
• Roofing sealant
• Cigarette ingredient
• La Brea goo
• Cigarette substance
• Stuff similar to Noah's pitch
• Creosote source
• Swabbie
• Hull sealant