loudmouth
/ˈlaʊdˌmaʊθ/
noun
plural
loudmouths
plural
loudmouths
Britannica Dictionary definition of LOUDMOUTH
[count]
informal + disapproving
:
a loud person
:
a person who talks too much and who says unpleasant or stupid things
— loudmouthed
/ˈlaʊdˌmaʊθt/
adjective
[more loudmouthed; most loudmouthed]