It simply means that whatever the lawyer has just said, the judge does not agree with it and/or it is not acceptable according to the law.
That means that he is basically ignoring the lawyer's objection to any concerning questioning going on in a case.
It means whatever you were asking for or objecting to is not going to be entered into testimony.
In short, it means, "do not go there!"
In short, it means, "do not go there!"