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English definition of “popper”

popper

noun [C usually plural] (DRUG)    /ˈpɒp.ər/ US  /ˈpɑː.pɚ/ slang
the drug amyl nitrite, usually in a small containerSpecific types of drugDrugs - general wordsSpecific medicines and drugs
(Definition of popper noun (DRUG) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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