"White Lines (Don't Don't Do It)" is a song by Grandmaster Melle Mel, released as a 12" in 1983 on Sugar Hill Records. The song, which warns against the dangers of cocaine, addiction, and drug smuggling, is one of Melle Mel's signature tracks. The bassline is sampled from a performance of the Sugar Hill house band covering "Cavern", a single by post-punk band Liquid Liquid.