sexual act when 2 partners join assholes and one partner takes a shit into the other partners asshole then that partner shits it back into the other'sasshole. Sharing the same shit multiple times.
Harry - Did you hear what Kenzie and Tessa did last night?
Dick - No, what did they do?
Harry - The did the Backwards Brown Bear last night while watching Brazilian fart porn.
Used to describe situations when an individualfeels as thought he has to crap, but he hits the can and only long farts come out.
Bill Viverito, my personal bathroom attendant thought he was slick and tried to crap, but after a long delay it was determined that there was a sustained brown out.