Phrase(s): fuss about [and] fuss around
to go about complaining; to move about in a busy manner. • Don’t fuss about so much. Things will take care of themselves. • Now, stop fussing around and sit down., Phrase(s): fuss about someone or something
to complain about someone or something. • What are you fussing about now? • Are you still fussing about Tony?
McGrawhill's American Idioms And Phrasal Verbs