Definitions

1. noun

a frivolous or insignificant matter

“The piffle about the celebrity’s private life was distracting from the actual news.”

2. verb

to speak or write nonsense; to talk foolishly

“He was piffle-ing about the latest conspiracy theories online.”

3. verb

to make something sound or seem trivial or unimportant

“The politician tried to piffle away the concerns of the environmental group.”