1. any potent liquor

2. a powerful and potentially dangerous drug
Lay off the hard stuff. Quit while you are ahead.
by The Return of Light Joker March 26, 2009
Top Definition
An alcoholic beverage that contains a high percentage of alcohol and/or will intoxicate someone very quickly. 100 proof.
Just give me some of the hard stuff.
by Kevino June 16, 2006
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