Top Definition
the sport in which you fall down a snowy mountain while wearing a Snuggie. You can earn more Smiley Points from judges if you eat tapioca pudding while Mountain Snuggieing.
"Dude, I just went Mountain Snuggieing! I hit a killer run and broke a couple ribs *high fives friend*"
by Navanac December 30, 2009
5 Words related to Mountain Snuggieing

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