When one takes their gun (preferably a .45 magnum) and inserts it into their partners anus. The revolver is then removed from the partners caverns covered in shit, making it brown. It is common for at least one partner to experience death, as most people don't know how to properly set their safety
Stacy passed last night...Johny gave her the ol' brown revolver
by AnOcelot November 26, 2015
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