WordNet sense 1 (talk socially without exchanging too much information):

chat, chatter, chitchat, confab, confabulate, gossip, natter, visit, chaffer, claver, chew the fat, shoot the breeze

WordNet sense 2 (talk incessantly and tiresomely):

yack, rattle on, yack away, yap away

WordNet sense 3 (chew (food)):

chew, masticate, manducate

WordNet sense 4 (censure severely or angrily):

berate, chide, lambast, lambaste, lecture, rag, rebuke, remonstrate, reprimand, reproof, scold, trounce, reproof, call on the carpet, dress down, bawl out, call down, chew out, chew up, have words, take to task