What does 'All mouth and trousers' mean?

Someone who's all mouth and trousers talks or boasts a lot but doesn't deliver. 'All mouth and no trousers' is also used, though this is a corruption of the original.

Idioms similar to 'All mouth and trousers'


All idioms have been editorially reviewed, and submitted idioms may have been edited for correctness and completeness.

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