prattle
prat-tle
verb
To talk at length in a foolish, inconsequential, or childish way.
"The children prattled on about their day."
noun
Foolish or inconsequential talk, often prolonged and annoying.
"I grew tired of his constant prattle."
Thesaurus
Synonyms: tattle, gabble, prate, gibber, maunder, clack, tittle-tattle, palaver, blabber, twaddle, blab, piffle