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1. N: a holiday celebrated with the sole intent of drinking yourself silly.
Ex: Mardi Gras, St. Patrick's Day

2. N: a vacation to a party town, where every night spent there is wild.
Ex: Miami, Las Vegas
1. "Bro, you got trashed last night!"
"Yeah, well, you know, St. Patty's IS an alchoholiday."

2. "My sorority took a trip to was a certified alchoholiday."
by The Brown Acid August 04, 2011
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