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1.
The area designated for urination upon immediate adverse survival situations for sanitary purposes and disease prevention. Typically a corner.
Courtesy of The Office, when trapped on an elevator:
Pam: Dwight! What are you doing? We've only been in here for like two seconds!
Dwight: I've got 56 ounces of fluid in my bladder and we have to establish a pee corner!
by Rebecky86 September 27, 2010