Yumidose Share definition Flag A Yumi dose is when someone takes an unknown amount of drugs, Usually a high amount. I took a yumidose of painkillers, I almost died from an overdose, Because I didnt know how many I took. Yumidose by Yumi_san March 11, 2017 0 0 Get merch Get the Yumidose mug. Buy Now — $32.95 See more merch