El Poopacabra Share definition Flag A poop of such evil magnitude that it is feared by local natives, much like the El Chupacabra itself. I just unleashed El Poopacabra. Might want to stay out of there unless you have fire. El Poopacabra by moooooog35 February 25, 2011 0 0 Get merch Get the El Poopacabra mug. Buy Now — $32.95 See more merch