Top Definition
1) After pouring the desired amount of alcohol for a mixed drink, a party splash is a short extra pour of alcohol that you add to the drink to guarantee its strength.
Person pouring liquor: "Tell me when to stop..."
Partygoer: "...stop!"
Person pouring liquor: "A little party splash, and now we're all set."
by Babbs25 December 15, 2011
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