Preparing a "puddle" (anywhere will do--a bathtub, the out of doors, a tarp-covered floor--wherever you please) of a feces and urine mixture and then preforming the act of sexual intercourse there in. It is best if said "puddle" is deep enough to cover both partners in lying down positions and to peak at the chests in seated and other positions.
"I like to wear nose plugs in extremely deep Charleston Mud Puddles because I enjoy having my hands free to roam."
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