The idiomatic expression "to get physical" means to engage in a physical activity or interaction, often referring to some form of contact sport or combat. Full definition
Two games I would have bought at regular price if NA got a physical releases. (blog.us.playstation.com)
I am only likely to review an ebook if I can't get a physical copy. (portlandbookreview.com)
He just might want to be careful with getting physical with some of his assistants in the future; that points to all sorts of legal trouble. (diehardsport.com)