The idiom "all mouth and no trousers" is used to describe someone who talks a lot about what they will do, but never actually follows through with their promises or actions. In other words, it refers to someone who is all talk and no action.
The phrase "all mouth" means that the person is good at talking or boasting, but "no trousers" means that they lack the ability or courage to actually do what they say they will do. It is often used to criticize someone who talks a big game but fails to deliver on their promises.
For example, if someone says they are going to start a new business but never actually takes any steps to do so, you could say that they are "all mouth and no trousers." Similarly, if someone talks about how they are going to get in shape but never actually goes to the gym or exercises, you could also use this idiom to describe them.
Overall, "all mouth and no trousers" is a colorful way to describe someone who talks a lot but doesn't back up their words with action.
• The company's CEO promised to increase salaries, but it was just empty talk. He was all mouth and no trousers.
• The politician made a lot of promises during the election campaign, but once elected, he was all mouth and no trousers.
• The famous actor claimed to be a philanthropist and advocate for social justice, but his actions showed he was all mouth and no trousers.
• She always talks about her big plans but never does anything. She's all mouth and no trousers.
• The manager talked a lot about implementing new policies to improve the workplace, but never actually followed through. He was all mouth and no trousers.
• He boasted about his skills as a cook, but when it came to actually cooking, he was all mouth and no trousers.