A huge shit. (Origin is from when you take a really big dump and in curls up in the toliet into a 6.)
"Hey guys i'll be right back, i'm about to go shit a six."
by TheHoodDwella February 10, 2008
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This would mean you have to shit really bad. So bad that you could shit over the top rail of a six rail fence which would be 9 feet or so.
Man after eating lunch from the mexican roach coach I fell like I could shit over a six rail fence .
by B warden March 26, 2007
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