grouse about (someone or something)
To complain or gripe about someone or something. I turned the thermostat up, so you all can stop grousing about how cold it is in here, thanks. Michael, as long as you have long hair, Grandma is going to grouse about it—you better get used to it.
grouse about someone or something
to complain about someone or something. What are you grousing about now? I am grousing about your carelessness!