Top Definition
A drinking holiday term for Christopher Columbus Day. Sambuca, an Italian liquor is the drink of choice.

It's similar in concept to calling thanksgiving "turkey day".
It's Christopher Columbus Day, I'm going hammer, mixing 151 with the 'buca, cause it's sambuca day ya bish.

I get turned up on skrillex and flaming shots for sambuca day, the best part of Columbus discovering America.
by Phmns52 October 28, 2013

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