← Back to collection
Region: UK | Usage example: He boasts about change but he is all mouth and no trousers.

All mouth and no trousers

Meaning

Talking tough without taking action.

Usage

Used to describe people who fail to deliver.

Origin & History

Origin notes can vary by region and source; this page gives the commonly reported explanation and usage context.

British slang contrasting loud talk with practical effort.

Common in UK slang from the mid 20th century.