vein brother n.—Gloss: a man with whom you get high on injected drugs, especially if you share a needle. «But nothing in their records, or in their daily appearances around the neighborhood, could foretell what became the macabre final...
cotton shot n.— «A cotton shot consists of the heroin and blood residues that are “pounded” out of a cotton remnant (sometimes an old cigarette filter) which was used in a previous injecting session to filter the heroin...
AWOL n. a device for delivering alcohol in a vaporized form mixed with oxygen; the vaporized alcohol itself. Etymological Note: alcohol without liquid (source: Double-Tongued Dictionary)