- hul|la|ba|loo [ˌhʌləbəˈlu:, ˈhʌləbəlu:] n [singular] informal[Date: 1700-1800; Origin: Perhaps from hello + Scottish English balloo a word used to make children keep quiet]1.) excited talk, newspaper stories etc, especially when something surprising or shocking is happening= ↑fuss▪ There was a huge hullabaloo when the book was first published.2.) a lot of noise, especially made by people shouting= ↑commotion▪ She looked up to see what all the hullabaloo was about.
Dictionary of contemporary English. 2013.