What is another word for has a big mouth?
Pronunciation: [hɐz ɐ bˈɪɡ mˈa͡ʊθ] (IPA) 
The phrase "has a big mouth" is often used to describe someone who talks too much or says things without thinking. There are several synonyms that can be used to convey the same meaning. One could say that the person has a loose tongue, is a blabbermouth, talks too much, or is a chatterbox. Another alternative could be to describe the person as being gossipy or prone to sharing secrets. Some might use the phrase "over the top" or "overbearing" to convey the same idea. Regardless of the choice of words, the message is clear- the person in question needs to learn to keep their mouth shut more often.
