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English definition of “knockout drops”

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knockout drops

noun [plural] uk   old-fashioned informal us  
a drug, usually put secretly into your drink, that makes you sleep
Translations of “knockout drops”
in Chinese (Traditional) (常指偷偷摻入飲料中的)強力麻醉藥,蒙汗藥…
in Chinese (Simplified) (常指偷偷掺入饮料中的)强麻醉药,蒙汗药…
(Definition of knockout drops from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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