Monkey-dump Share definition Flag The act of defecating into one's hand for the purpose of placing said third in a spot that is not directly reachable. That toilet tank was way to tall to upper decker, so I had to monkey-dump it. Monkey-dump by jbleezy April 12, 2015 0 0 Get merch Get the Monkey-dump mug. Buy Now — $32.95 See more merch