Detoxarrhea Share definition Flag The watery excrement that comes as a result of drinking large amounts of fluids to detox. So did you pass your drug test yesterday?Yeah, but I drank so much water it gave me detoxarrhea. Detoxarrhea by jimmythewhoo May 22, 2010 0 0 Get merch Get the Detoxarrhea mug. Buy Now — $32.95 See more merch