poppers

Etymology
Amyl nitrites were originally sold in small glass ampoules wrapped in cloth. Recreational users would crush or "pop" these vials between their fingers to release their vapours, which is thought to be the origin of the slang term.

Noun

 * 1)  Drugs of the alkyl nitrate class used recreationally as a sexual stimulant, especially among gay men.

Usage notes

 * Grammatically, poppers is used in two different ways
 * As the plural of popper ("a capsule or ampule of amyl nitrate")
 * As an uncountable noun ("amyl nitrate")

Noun

 * 1)  (drug)