piffle
pif-fle
verb
To talk or act in a trivial, ineffective, or nonsensical way.
"Stop piffling about and get on with it."
noun
Trivial or nonsensical talk or ideas, considered to be worthless.
"Don't talk such piffle; it's rubbish."
Thesaurus
Synonyms: tattle, gabble, prate, gibber, maunder, clack, tittle-tattle, palaver, blabber, twaddle, blab, prattle