kid·do /ˈkɪdəʊ $ -doʊ/ noun (plural kiddos) [countableC usually singular] American EnglishAmE spoken informalYOUNG used by adults to address a young person 年轻人，小伙子〔成年人对年轻人的一种称呼〕 Come on, kiddo, let’s go. 来，小伙子，我们走吧。
kiddo• Cheer up, kiddo - there'll be other games.