When a person finds something unattractive and has the audacity to say that they find that thing unattractive. This greatly some nutjob feminists.
You: I would not sleep with that guy, he has manboobs.
Nutjob feminist blogger: Stop body policing!
The informal practice of policing one's physical appearance because it does not conform to social norms, or is not deemed appropriate for a particular setting. Personal preference and attraction do not necessarily qualify as body policing.
Yeah, I decided not to hire that woman, her visible body hair and lack of makeup seemed too unprofessional to me.
Hey, man, that's body policing.