1
n chatter, chinwag (Brit. informal) confab (informal) gossip, heart-to-heart, natter, schmooze (slang) talk, tête-à-tête
2
vb chatter, chew the rag or fat (slang) gossip, jaw (slang) natter, rabbit (on) (Brit. informal) run off at the mouth (U.S. slang) schmooze
shoot the breeze (U.S. slang) talk