clicker
 n.— «Clickers, also known as clickums, are ordinary cigarettes dipped in formaldehyde, a preservative used as an embalming fluid. The cigarette is smoked after the chemical has evaporated and the cigarette is dry.» —“Use of ‘clickers’ a growing drug abuse problem” by Tim Talley Baton Rouge Morning Advocate Oct. 13, 1986. (source: Double-Tongued Dictionary)