Top Definition
A weekend spent in the mountains involving lots of beer, Greeks and sexual assault.
Sorority Girl: "For mountain weekend, I made Fratty McFratterson such an awesome cooler and all I got was herpes!"
by just_an_observer April 06, 2009
One of the most exciting weekends in college, spent in cabins in the mountains getting hammered, getting laid, and raging like the world's about to end.
Girl 1: What are you doing this weekend?
Girl 2: I'm going to XYZ's Mountain Weekend, I've been painting my cooler all week and am ready to get absolutely wrecked.
by RageFace98 November 06, 2011

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