Related Clues:

• What a steamroller flattens
• Kool stuff
• Cap'n, say
• Pavement material
• Black top
• Bad stuff in cigarettes
• Toni Morrison title word
• 'Arrested Development' brother
• Solid tobacco smoke residue
• Swab or salt
• Roof stuff
• Black, sticky stuff
• Street coverage?
• ___ Heel (native of North Carolina)
• Squishy mass