Piss on the dump Share definition Flag The act of urinating on a pile of fresh excrement. This is usually done by humans after they take a tremendous dump. After a taking a tremendous dump, it's always important that you piss on the dump Piss on the dump by EIDT August 17, 2014 0 0 Get merch Get the Piss on the dump mug. Buy Now — $32.95 See more merch