Meaning of the word "great cry and little wool" in English

What does "great cry and little wool" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

great cry and little wool

US /ɡreɪt kraɪ ænd ˈlɪt.əl wʊl/
UK /ɡreɪt kraɪ ənd ˈlɪt.əl wʊl/
"great cry and little wool" picture

Idiom

a lot of fuss or noisy preparation for very little result

Example:
The marketing campaign was great cry and little wool; they spent millions but sales barely moved.
I thought the new project would be revolutionary, but it turned out to be great cry and little wool.