diarrhea shrapnels Share definition Flag noun. the splattered shit caused by the initial explosion of your explosive wet shit The moment i set loose of my shit, diarrhea shrapnels got stuck everywhere....including my face. diarrhea shrapnels by SickFiend May 23, 2016 0 0 Get merch Get the diarrhea shrapnels mug. Buy Now — $32.95 See more merch