DONNYBROOK Meaning of DONNYBROOK in English [ 'dɒnɪbrʊk ]■ noun N. Amer. & Austral./NZ a heated argument.OriginC19: from the name of a suburb of Dublin, Ireland, formerly famous for its annual fair. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004