A dirty deed or a trick.
If you find drugs in your beer, you'd say "Damn! Someone slipped me a Mickey Finn!"
by Daniel b July 03, 2005

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Top Definition
A dose of knockout drops, such as chloral hydrate, a sedative/hypnotic, usually administered to some hapless barfly as a preamble to rolling him.
They slipped him a Mickey Finn, and when he woke up the next day, his wallet, wristwatch and jewelry were gone.
by Charles Frank July 26, 2006

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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A make of alcoholic drink that comes in a variety of flavours, the most popular being either sour apple or butterscotch vanilla.
Customer (to barman): I'll take two shots of mickey finns sour apple and one of butterscotch.
by Catriona Redfern January 17, 2007

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt