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1. A term for a boyfriend with the disposition of Olaf the Snowman, who is also incredibly injury prone. 2. Something that Mario says on the third jump in Mario 64.
Elsa: "what happened to him!?"
Anna: "he had a sledding accident involving a tree, a reindeer, a small puddle, and four penguins."
Elsa: "oh he is such a..."
Together: "...Mooboo..."
OR
Mario:"whop, whoop, MOOBOO :D"
by Funnybunnyboo November 03, 2014
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