Related Clues:

• Road-surfacing goo
• What a steamroller flattens
• Kool stuff
• Cap'n, say
• Pavement material
• Black top
• Bad stuff in cigarettes
• Toni Morrison title word
• Solid tobacco smoke residue
• Swab or salt
• Roof stuff
• Street coverage?
• ___ Heel (native of North Carolina)
• Crack filler
• Substance used in an old punishment