itchy butt syndrome Share definition Flag Otherwise known as the “Joe Fallon” It is a case where u forget to whip ur ass and ur butt becomes itchy Damn I got a case of the Joe gallon right now (itchy butt syndrome) itchy butt syndrome by YaMom69 December 30, 2021 0 0 Get merch Get the itchy butt syndrome mug. Buy Now — $32.95 See more merch