1 definition by Big McNasty
Defecation involving gaseous and semi-solid material evacuating the anal cavity with such ferocity that it sounds like a large brown bear native to the Northwestern area of North America.
Last night I ate at Chili's and I had such a bad case of the grizzlies in the morning that my back hurt and my ears were rining. Needless to say, I wish there would have been a seatbelt on the toilet.
by Big McNasty November 29, 2007