The Kids Are Alright 'tween: preposition 1. contraction of between. noun 2. Also, tween, tweeny. a youngster between 10 and 12 years of age, considered too old to be a child and too young to be a teenager. Read More EditorialspetitePARADESeptember 22, 2017tween, hooligans, petiteparade, kids, LA, california, california dreaming, bikes, hey babe, stussy, vans, supreme, adidas, iceberg