DUPE Meaning of DUPE in English n. & v.n. a victim of deception. v.tr. make a fool of; cheat; gull. dupable adj. duper n. dupery n.[ F f. dial. F dupe hoopoe, from the bird's supposedly stupid appearance ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012