tittle-tattle

(noun) light informal conversation for social occasions. Synonyms: chitchat, chit-chat, chit chat, small talk, gab, gabfest, gossip, chin wag, chin-wag, chin wagging, chin-wagging, causerie.

(verb) speak (about unimportant matters) rapidly and incessantly. Synonyms: chatter, piffle, palaver, prate, twaddle, clack, maunder, prattle, blab, gibber, tattle, blabber, gabble.