PB&J poop Share definition Flag When a girl has diarrhea on her period. It is the period shits. Girl 1: girl I just had the biggest PB&J poop! Girl 2: ewww, same. PB&J poop by Crentist2025 August 7, 2021 0 0 Get merch Get the PB&J poop mug. Buy Now — $32.95 See more merch