yammer on (and on) about (someone or something)(redirected from yammer on about something)
yammer on (and on) about (someone or something)
To talk ceaselessly or volubly about someone or something, especially in an annoying, complaining, or peevish manner. All they do whenever we get together is yammer on and on about kids they don't like in our class. He keeps yammering on about all the problems with the project, but he never offers any helpful suggestions or solutions.