An alcoholic beverage that is surreptitiously altered to induce diarrhea or stupefy, render unconscious, or otherwise incapacitate the person who drinks it.
A drink, as of liquor, to which something has been added so as to render the unsuspecting drinker stupefied, unconscious, etc.
Origin of mickey-finn
- Probably after a notorious Chicago bar shut down in 1903, allegedly because its customers were served spiked drinks and then robbed
From American Heritage Dictionary of the English Language, 5th Edition
- Probably named for the manager and bartender of a Chicago establishment, the Lone Star Saloon and Palm Garden Restaurant, which operated from 1896 to 1903, who was accused of using "knockout drops" to incapacitate and rob some of his customers.