rich-kid /ˈɹɪt͡ʃ ˌkɪd/adjective 1rich kid noun 1forms 1 adjective1 •Of or pertaining to a rich kid.Go ahead. Make your judgments. Decide I'm some spoiled, rich-kid freak. — 2013 rich kid noun1 •(informal) A child, adolescent or young adult from a wealthy family, especially one who flaunts his or her wealth or privilege.They were very happy, these poor little folks, to be invited to a dinner party, given by “that rich kid, Alex.” — 1893 formsrich kids