yonkable Share definition Flag An adjective version of the word yonkyu. Still in the context of something sexual it is generally used to describe somebody worthy of becoming a sexual partner. Damn man, check that girl over there! She's yonkable for sure! yonkable by Esko April 18, 2004 0 0 Get merch Get the yonkable mug. Buy Now — $32.95 See more merch