Rinseboy Share definition Flag Someone who drains or takes the piss with someones food, drink, fags etc, pretty much anything. jack; 'Oi luke beg you set me another grout plz' luke; 'rinseboy bruv' Rinseboy by mrrinseboy May 20, 2011 0 0 Get merch Get the Rinseboy mug. Buy Now — $32.95 See more merch