As nouns the difference between mouther and braggart
is that mouther is a person who mouths while braggart is someone who boasts.
braggart
English
Noun
(
en noun)
someone who boasts.
* Shakespeare
- O, I could play the woman with mine eyes, / And braggart with my tongue.
Synonyms
* braggadocio
* bragger
* boaster
* See also
Related terms
* brag