Adimus Prime's definitions
A sexual act which one participant presses their anus against their parther's anus and poops a log directly into their partner's open anus. The turd moves like a submarine from one body into another.
I met a sailer named Pat. After topping him he who gave me a huge San Francisco Submarine. It was long, hard, and full of sea men.
by Adimus Prime December 15, 2021
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