DUNNY Meaning of DUNNY in English [ 'dʌni ]■ noun ( plural dunnies ) Austral./NZ informal a toilet.OriginC19 (in the sense 'dung'): from dialect dunnekin 'privy', prob. from dung + archaic sl. ken 'house'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004