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A capsule or tablet of the illicit drug methaqualone.
[Originally a trademark.]
(Pharmacology) US a proprietary name for methaqualone
a brand of methaqualone.
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|Noun||1.||Quaalude - sedative-hypnotic drug (trade name Quaalude) that is a drug of abuse|
sedative-hypnotic, sedative-hypnotic drug - a sedative that depresses activity of the central nervous system and reduces anxiety and induces sleep