Shampoosterbate Share definition Flag The act of shampooing your hair while simultaneously master-bating with your other hand. Last night I only had ten minutes in the shower so I was forced to shampoosterbate to save time. Shampoosterbate by JRED33 October 23, 2013 0 0 Get merch Get the Shampoosterbate mug. Buy Now — $32.95 See more merch
