Doing the Rhino Share definition Flag When you have diarrhea comparable to the way a rhino shoots its shit everywhere. OMG, that burrito from Humbertos tore my stomach up. I was in the bathroom doing the rhino for like an hour. Doing the Rhino by Jon Thurston August 29, 2009 0 0 Get merch Get the Doing the Rhino mug. Buy Now — $32.95 See more merch