Top Definition
HEROIN - a white, crystalline, narcotic powder, C21H23NO5, derived from morphine, formerly used as an analgesic and sedative: manufacture and importation of heroin are now controlled by federal law in the U.S. because of the danger of addiction.
"Drip-drip's the sound that the needle makes when nothin' but that heroin trickles out the tip of it."
by Nahmien August 25, 2006

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