knockout drops

American  

plural noun

1. chloral hydrate or any similar rapidly acting drug, especially one put in a drink secretly to make the drinker unconscious.

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knockout drops British  

plural noun

1. slang a drug secretly put into someone's drink to cause stupefaction See also Mickey Finn

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Etymology

Origin of knockout drops

First recorded in 1890–95

Example Sentences

See Examples For:

knockout drops

But Frank Brooks wasn't full of knockout drops this time, and with a clear head he was no pushover.

From Deadly City by Fairman, Paul W.

After it was all over, and most everybody that counted had swallowed knockout drops, Marjorie gives me a sidelight on what's been runnin' through her head.

From Torchy by Brehm, George

"Sudden remedies are sometimes good in extreme cases, Luke," he drawled, "but administering knockout drops to a sick party is not to be recommended."

From The Ramrodders A Novel by Day, Holman

The old Bowery, where they used to take your tintype by force and give ye knockout drops before having your palm read, is now called the Wall Street of the island.

From Sixes and Sevens by Henry, O.

He had a horror of knockout drops and the police.

From K by Rinehart, Mary Roberts