nappocolypse Share definition Flag A nappy that can't hold the shit in I thought the baby had pooed. When I got the nappy off, I realised it was a total nappocolypse! The shit was everywhere nappocolypse by HankTheBusDriver January 20, 2015 0 0 Get merch Get the nappocolypse mug. Buy Now — $32.95 See more merch