black tar

noun
variants: or black tar heroin

Medical Definition of black tar

slang
: a black or dark brown, often sticky form of heroin The new heroin, which users call black tar because it resembles roofing tar in color and consistency, is increasingly dominating the nation's heroin markets.— Joel Brinkley, The New York Times, 28 Mar. 1986

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Cite this Entry

“Black tar.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/black%20tar. Accessed 8 Aug. 2020.

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