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1.
A device use to harness/ensnare poop or fecal particles for future use.
"Dude, I just totally caught your fart in my brand-new Poop satchel. I'm saving it for later to give to my mom"
by Dustin Fucking Jones November 05, 2007
 
2.
wow this weed sucks it is a poopsatchel
by bill July 10, 2003