A sexual position in which one party climbs inside a port-o-potty and has their partner sit on the toilet seat while the first party performs oral sex from inside the toilet
"Dude ..Brad smells like shit."
"I know, he just got done giving Angela a Sewer monster"
"Gross"
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