babbled, blabbed, cackled, chaffered(British), chatted, chattered, chinned(slang), conversed, gabbed, gabbled, gassed, jabbered, jawed, kibitzed(also kibbitzed), nattered, palavered, pattered, prated, prattled, ran on, rapped, rattled, schmoozed(or shmoozed), talked, twittered, visited
gossiped, tattleddescanted, discussed, expatiatedyakked(also yacked), yammered, yapped
blew smoke, shot the breeze, talked a blue streak