blabberer

babbler blabber blowhard chatterbox chatterer gasbag gossiper gossipmonger jabberer loudmouth squealer tattletale windbag

babblemouth bag of wind bigmouth gabber motor-mouth yapper

bigmouth blabbermouth busybody canary fat mouth fink gossip informer rat rumormonger scandalmonger snitch squealer stool pigeon talebearer taleteller telltale tipster troublemaker whistleblower windbag

blowhard boaster braggart bragger gasbag jabberer know-it-all

bag of wind big talker gascon motor-mouth