yum yucker Share definition Flag One who yucks another's yum, i.e. a kink shamer. Micah: "Lamia's aren't sexy at all." Radael: "Don't be a yum yucker bro, lamia's are hot." yum yucker by Radáel October 29, 2021 0 0 Get merch Get the yum yucker mug. Buy Now — $32.95 See more merch