HUBBUB Meaning of HUBBUB in English ■ noun a chaotic noise caused by a crowd. ↘a busy, noisy situation.OriginC16: perh. of Ir. origin; cf. the Ir. exclamations ababú , abú , used in battle cries. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004