When one person is defecating on a toilet. And then person #2 sits on their thighs, and simultaneously shits in the same toilet.
Person #1: "I got dibs on the toilet."
Person #2: "Naw bro... That's my toilet and I can't hold it anymore."
Person #1: "Me either bro, so only choice is to lap up and hit an Appalachian Mudslide."
Person #2:"Fine!! But dont tell anyone about this bro! Dibs on bottom."
by d!ckLuvg0d December 15, 2020
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The act of defacating on your partner while executing a reverse piledriver.
"My new shirt was ruined when Sean gave me an appalachian mudslide:
by ill mitch February 2, 2006
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