Nah kid Share definition Flag What you say to an acquaintance or friend when you want to kindly reject their offer to do something. Usually used whilst lightly shaking your head. Bro 1: Hey bro, you wanna come to the disco with me? Bro 2: Nah kid, gonna stay in and study. Nah kid by JKYDVS April 26, 2020 0 0 Get merch Get the Nah kid mug. Buy Now — $32.95 See more merch