all mouth and no trousers

English

Etymology

A possible corruption of all mouth and trousers, but consistent with phrases of the form all hat and no cattle and all bark and no bite. The implication of this phrase is that the person boasts, but is a laughing stock.

Pronunciation

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Adjective

all mouth and no trousers (not comparable)

1. (British, idiomatic) Alternative form of all mouth and trousers