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The action of climbing over or under the divider in a public restroom when you run out of toilet paper as to gain access to the toilet paper in an adjoining stall.
Practitioners of poo parkour may be referred to as "shitraceurs".
Man 1: I ran out of toilet paper and was so desperate I did an Army low crawl into the next stall so I could wipe my ass.
Man 2: That's some serious poo parkour!
by MrGryphon April 07, 2013