Top Definition
A small bear-like creature indigenous to the forests of the Northern Yukon. Some say it resembles a cross between a hamster and a terrifying bear. Most often see with a crooked, psychotic smile and large, furrowed eyebrows.

some say it's just another mythological beast.
Holy crap, While we were camping last week, I could've sworn I saw a Muggalo glaring at us through the bushes.

The Muggalo's smile is what drove Craig crazy on our trip to the Yukon.

I Totally just ran over a Muggalo with my jeep.
by barracuda00 May 31, 2007
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