yammer about

yammer (away) about someone or something

to talk endlessly about someone or something. What are you yammering about? They were yammering away about the state of the economy.
References in periodicals archive ?
Even through the late 1990s it used to amaze me that journalists could yammer about employment legislation or "don't ask, don't tell" while showing film clips of drag queens in hot pink beehive hairdos and spiked heels.
SEOUL Hollywood sitcom writers yammer about putting out 22 episodes a season.