Noun
a person who causes trouble by speaking indiscreetly
Source: WordNetThere live a great man named Joe who was belittled by a loudmouth foe. While his rival would taunt and tease Joe silently bore the stings. And then fought like gladiator in the ring. Muhammad Ali
Mario! You are one, tiny loudmouth fairy. You're the only guy I know who takes a stepladder into a gloryhole. Greg Giraldo
Im busy doing my job, and being a loudmouth doesnt appeal to me as much as when I was younger and had the youthful delusion that I was smarter than everybody else. Steve Albini
Emmy-nominated Southern loudmouth Erin Gibson is an expert at mixing social commentary, political satire, and vagina jokes into neat little comedy packages. Source: Internet
Other crew members told me they have used howler monkeys to represent “loudmouth” characters, boa constrictors for sneaky characters, even a curious crab to mimic a nosy eavesdropper. Source: Internet
In 2012, the loudmouth launched a vicious torrent of racist abuse at a Sky call centre worker – in which he told his victim to “go home and take your disease with you”. Source: Internet