It is when applied to people who interfere with law enforcement or fire personnel.
You just go right ahead and do whatever you want, whenever you want. If butting into police business is part of that, don't be surprised if you hear "Let's see ten fingers on the hood, ma'm. Ten fingers on the hood."
And you just keep on bending over, bowing down and saying "sir,yes sir" to anyone who claims to be in charge of any odd situation you encounter.