Piss-arc Share definition Flag When standing as far away from the toilet as possible and attempting to piss in the bowl. Works best when cock is erect. "Wow, that Piss-arc I just had was as beautiful as a rainbow." Piss-arc by 9A Slang March 11, 2009 0 0 Get merch Get the Piss-arc mug. Buy Now — $32.95 See more merch
