Top Definition
Slap the Porpoise - when you retrieve the bag from a boxed wine. You carry around the bag and "Slap the Porpoise" before drinking directly from the spout. The bag can/is also called "porpoise".
"Slap the porpoise! hard! now chug!"
#slap the bag #pourpose #pourpoise #boxed wine #bag
by Angie Ginandcola April 11, 2010
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