hul ‧ la ‧ ba ‧ loo /ˌhʌləbəˈluː, ˈhʌləbəluː/ BrE AmE noun [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 SYN fuss :
There was a huge hullabaloo when the book was first published.
2 . a lot of noise, especially made by people shouting SYN commotion :
She looked up to see what all the hullabaloo was about.