boy Play nounA male child or youth.exclamationUsed to express strong feelings, especially of excitement or admiration. SYNONYMS adolescentbairnbratfledglingjuniorjuvenilekidkiddieladladdiemale childminornipperpickneyschoolboyshaversonstriplingstudentteenagertoturchinweanwhippersnapperyoung 'unyoung fellowyoung manyoung personyoungsteryouth