The act of having anal sex, especially in a shitty asshole that has not been cleaned. Ever.
Man 1: So what happened to that skank you met at the club last night?
Man 2: I took her around to the alley we were totally Dung Piping for a couple hours. I had to take eight showers when I got home!
Man 1: Gross. Why do you tell me this shit?
by Murdok spawn of Goreface July 16, 2011
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another word for the part of you body where excretion exits. often used explicitly when defining anal sexual tendencies. word derives from dung (shit) and pipe referring to your anus
my dung pipe was on fire after that indian food
by clare mc fadden December 21, 2016
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