Meaning
Someone who talks too much or reveals secrets.
Cultural Background
In American culture, being a 'big mouth' is often associated with being untrustworthy in a social setting. In the UK, the term is used similarly, often with a slightly more humorous or mocking tone. The concept of the 'big mouth' is a universal trope for the 'gossip' character in literature and film.
Don't use at work
Calling a colleague a 'big mouth' is an insult and can get you in trouble.
Meaning
Someone who talks too much or reveals secrets.
Don't use at work
Calling a colleague a 'big mouth' is an insult and can get you in trouble.
Test Yourself
Complete the sentence.
Don't tell her the secret! She has a ____.
The idiom for someone who tells secrets is 'big mouth'.
Which sentence is correct?
Choose the best sentence.
The standard idiom is 'He is a big mouth'.
🎉 Score: /2
Visual Learning Aids
Practice Bank
2 exercisesDon't tell her the secret! She has a ____.
The idiom for someone who tells secrets is 'big mouth'.
Choose the best sentence.
The standard idiom is 'He is a big mouth'.
🎉 Score: /2
Frequently Asked Questions
2 questionsYes, it is generally considered rude or insulting.
Yes, you can say 'I'm such a big mouth' to admit you made a mistake.
Related Phrases
Loose lips
synonymCareless talk.
Blabbermouth
synonymSomeone who talks too much.