assiack Share definition Flag The act of pooping in a males foreskin. Eventually the foreskin looking like a water ballon on a garden tap. " Did you tounge punch her fart box?" " Nah, she assiacked me instead" assiack by Assiack September 9, 2016 0 0 Get merch Get the assiack mug. Buy Now — $32.95 See more merch