twaddle

(noun) pretentious or silly talk or writing. Synonyms: baloney, boloney, bilgewater, bosh, drool, humbug, taradiddle, tarradiddle, tommyrot, tosh.

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