poopst Share definition Flag The act of posting your poop in the toilet on the internet. Oh my god honey, come look at my shit! I took a picture and I'm calling it the, "Stinky Garcia." I'm totally going to poopst it on the internet. poopst by Chunkie Poopie February 10, 2014 0 0 Get merch Get the poopst mug. Buy Now ā $32.95 See more merch