Poppers are a liquid drug that can give an instant high when inhaled. Other names for it are amyl.
Popper is a slang term given broadly to drugs of the chemical class called alkyl nitrites that are inhaled. Most widely sold products include the original isoamyl nitrite or isopentyl nitrite, and isopropyl nitrite. Isobutyl nitrite was also used until it was banned by the European Union. It is used for practical purposes to facilitate anal sex by increasing blood flow.
Amyl nitrite is a chemical compound with the formula C5H11ONO. A variety of isomers are heart rate, dizziness, and relaxation of involuntary muscles, especially the blood vessel walls and the internal and external anal sphincter.
It is often confused with amyl nitrate, which is, in fact, a different chemical For this reason, poppers are sometimes used to facilitate anal sex.
People often take amyl nitrite, commonly referred to as poppers, for the effects and act as a sex enhancer by relaxing the anal muscles.