1 definition by dumdum238

Top Definition
A drinking occasion that's so great or unusually rare, as to be considered a rare-time, normally followed by an immense hangover
Person 1: I had a great time last night, I don't think I've ever drank so much that it actually improved my dancing...
Person 2: Yeah, that sure was a rarety...
by dumdum238 July 03, 2010
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