1. people who talk too much or too loudly, especially in a boastful or offensive way
Usage: informal; plural of loudmouth

Examples

• The loudmouths at the bar were disturbing other customers.
• Nobody likes working with loudmouths who constantly interrupt meetings.
• The coach told the loudmouths on the team to focus on playing instead of talking.
• Those loudmouths think they know everything about politics.
• The restaurant had to ask the loudmouths to keep their voices down.
• Some loudmouths never learned that actions speak louder than words.