portapotty poop Share definition Flag When you take such a big shit that it comes up out of the water of your toilet, like what you see in a portapotty. Dude I ate so much food this weekend that I just took a huge portapotty poop. OMFG portapotty poop by portapotty pooper May 25, 2011 0 0 Get merch Get the portapotty poop mug. Buy Now — $32.95 See more merch
