k.o. tropfen

listen to the pronunciation of k.o. tropfen
German - English
chloral hydrate in combination with alcohol; usually administered surreptitiously to make the drinker unconscious
Drops of some drug put in one's drink to stupefy him for purpose of robbery, etc
A solution, usually of chloral hydrate in alcohol, put into a drink surreptitiously in order to render the drinker unconscious
knockout drops