Rhiism Share definition Flag The ism of of Rhi. Rhi being the exuberant person, she experiences Rhiism when she's too excited about Hockey. She's experiencing Rhiism while watching the hockey live stream. Rhiism by Urban dictionnaire April 21, 2022 0 0 Get merch Get the Rhiism mug. Buy Now — $32.95 See more merch