open one's big mouth
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English
[edit]Pronunciation
[edit]Verb
[edit]open one's big mouth (third-person singular simple present opens one's big mouth, present participle opening one's big mouth, simple past and past participle opened one's big mouth)
- (informal) To speak about things rashly or foolishly, when it would be better to stay silent.
- Grr, why do I always open my big mouth after doing something wrong?
Translations
[edit]speak when it would be better to stay silent
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