gamin /ˈɡæmɪn/ noun[before a noun]1 •(old-fashioned) A homeless boy; a male street urchin; also (more generally), a cheeky, street-smart boy.Here, in front, the deserted street was white and black and silent, under the electric lamps. All the lonelier for two wretched gamins, counting their dirty sous, and draggled newspapers. — 1894 formsgamins