growlybear

n. A person who is very bear-like and has an amazing ability to articulate themselves in growling sounds, which are produced from the bear hair on the inside of their throats. Along with being master growlers, they are good at pool.

Here are a few levels of growls: babybear, young man bear, growlybear, mamabear, papabear, etc.

Growlybear: GRrrrrrrrrrrrrrrrrrrr!

By-stander: Whoa! That's a young man bear growl!