blow
n.— «None of the other drugs she’s tried—acid, cocaine, crack—pulled her into a hole like heroin. “When I first started doing it, it would only take a little bit,” Jessica said. “Then I was doing 10 to 15 blows a day. And then I did it just to feel normal, not even to get high, I guess.”…Jessica said those who know where to go can buy heroin in Chicago at $10 a tin, or blow—about one-tenth of a gram.» —“LaSalle County facing truth of youth heroin use” by Jessica L. Aberle Journal Star (Ottawa, Can.) May 22, 2005. (source: Double-Tongued Dictionary)