This phrase is used to describe a situation where there's a lot of talk, noise or hype about something, but in the end, the results or outcomes are disappointing or insignificant. It's equivalent to the English idiom 'all bark and no bite'.
Examples
- Spanish: Hablaron mucho sobre su nuevo proyecto, pero al final fue mucho ruido, pocas nueces.
- English: They talked a lot about their new project, but in the end, it was all bark and no bite.