Wait a minute. Saying your calling the authorities to have someone's child removed isn't a threat? Calling you an unfit mother isn't defamatory? Or harassing? If he did it standing at your front door it wouldn't be tortious?
You're

Well since it's ok to do so now, I know that naa has a little dick and I am going to call the police and report him as an unfit lover. I can do it too, I know the case law of little dicks.