beef about (someone or something)
To complain or gripe about someone or something, Of course Marjorie is beefing about how I left dishes out in the kitchen—she's not happy unless everything is perfectly put away.
beef about someone or something
Sl. to complain about someone or something. Stop beefing about Karen. He is always beefing about his working conditions.
beef about someone/something
in. to complain about someone or something. He is always beefing about his working conditions.