Top Definition
An alcoholic drink that has been adulterated with a drug that causes the drinker to pass out, typically chloral hydrate.
When John woke up naked in an alley behind the bar, he figured that the bartender had slipped him a Micky Finn.
by Bart January 07, 2005
When you Shit and throw up at the same time.
After i got home last night i went home and micky finned all over my sisters bed.
by SK*SW*CK July 07, 2004
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