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English definition of “popper”

popper

noun uk   /ˈpɒp.ər/ us    /ˈpɑː.pɚ/

popper noun (FASTENER)

[C] UK a press studFastening clothing and textiles

popper noun (DRUG)

[C usually plural] slang the drug amyl nitrite, usually in a small containerSpecific types of drugDrugs - general wordsSpecific medicines and drugs
(Definition of popper from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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