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When you are out of alcohol and you pour your chaser into an empty liquor bottle, swish it around, and sip it. This is done to savor every last drop of your liqour.
It's past bar time and he's out of alcohol, so he poured CocaCola into his empty Jack Danielle's bottle then he drank the swuash.

Hey man, you toss'n this bottle? Mind if I get the Swuash?
by SonjaMay October 08, 2014
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