kid boy Share definition Flag Luscious young male, much desired by older males (and some females too). Blonds with long eyelashes who haven't started shaving are the prototype. See that kid boy on the steps of his junior high? He makes my mouth water. kid boy by hughie m. October 19, 2006 0 0 Get merch Get the kid boy mug. Buy Now — $32.95 See more merch