Yumiko Share definition Flag an asian baby who likes to be loved everyday. She is also 100% bisexual. This Asian is surely to bring men to her only to rip their hearts out. Man that Yumiko is pretty darn hot, but she is a Yumiko so let us not get with her Yumiko by whatchamean November 23, 2010 0 0 Get merch Get the Yumiko mug. Buy Now — $32.95 See more merch