|Origin:||Perhaps from hello + Scottish English balloo a word used to make children keep quiet|
hul‧la‧ba‧loo [singular] informal
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.
a lot of noise, especially made by people shouting [= commotion]:
She looked up to see what all the hullabaloo was about.