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1.
Noun. A human who becomes a bear on the night of a full moon. People with this condition can be characterized by brown, gnarly hair and thick beards, when in human form. In werebear form, people with this condition become very large and grow thick, brown hair all over their bodies, and also move on all fours. Werebears are not generally known to be violent unless provoked, will steal pies from window seals, and swim around in your pool looking for fish.

Can also be used as a way of describing someone's awesomely thick beard.
"Mom!! There's a werebear in the pool again!"

Guy: "is that guy running on all fours?"

Me: "That's some werebear shit."

"That's a werebear of a beard man."
by JJLAWDADDY November 11, 2009