knockout drops, knock-out drops n. pl. Drops of any drug, used to a person to fall asleep or become unconscious or stupefied for the purpose of robbery, etc.; they are usually mixed into a drink so that the person consuming it does so unknowingly. One compound used for this purpose is chloral hydrate. [Slang, U. S.]
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knockout drops
n : chloral hydrate in combination with alcohol; usually
administered surreptitiously to make the drinker
unconscious [syn: Mickey Finn]