What is another word for most bigmouthed?
Pronunciation: [mˈə͡ʊst bˈɪɡma͡ʊðd] (IPA) 
The phrase "most bigmouthed" is often used to describe someone who talks excessively or boasts about their achievements. Synonyms for this phrase include "most talkative," "most boastful," "most braggart," and "most loud-mouthed." Other descriptors that can be used include "most verbose," "most loquacious," and "most gabby." Additionally, "most self-promoting," "most egotistical," and "most pompous" can be used to describe someone with a tendency to boast. Choosing the right synonym to describe someone's behavior can add emphasis and nuance to your description, and help to paint a clearer picture of their personality.
