SHEENY Meaning of SHEENY in English ~ 1■ adjective ( sheenier , sheeniest ) having a sheen; lustrous. ———————— ~ 2■ noun ( plural sheenies ) N. Amer. informal, offensive a Jewish person.OriginC19: origin unknown. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004