BUMPKIN Meaning of BUMPKIN in English ■ noun an unsophisticated country person.Derivatives~ish adjective OriginC16: perh. from Du. boomken 'little tree' or MDu. bommekijn 'little barrel', denoting a dumpy person. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004