Phierroork Share definition Flag The annoying sound a squeaky balloon makes when a third grader fiddles around with it. "Phierroork" "Phierroork" "Phierroork" Dude, stop. "Phier–" STOP. Phierroork by hoo - dini April 6, 2017 0 0 Get merch Get the Phierroork mug. Buy Now — $32.95 See more merch