babbles, blabs, cackles, chaffers(British), chats, chatters, chins(slang), converses, gabbles, gabs, gases(or gasses), jabbers, jaws, kibitzes(also kibbitzes), natters, palavers, patters, prates, prattles, raps, rattles, runs on, schmoozes(or shmoozes), talks, twitters, visits

gossips, tattlesdescants, discusses, expatiatesyaks(also yacks), yammers, yaps

blows smoke, chews the fat(also chews the rag), talks a blue streak