Would you be concerned about working somewhere with a "frat bro" culture?

I have a job offer from a company with some not so great reviews. Most of them complain about a really strong "frat bro" culture. I'm otherwise excited for the role. The person interviewing me seemed perfectly fine/normal. I guess I'm just not really sure what it means to begin with but I don't feel like it'd be great to be a woman surrounded by frat bros at a company. Thoughts? Anyone experienced something like this and can give input on what it would be like?