Wiktionary
sue me
interj. Phrase sarcastically used to suggest that a person who does not like the actions or opinions of the speaker can respond by filing a lawsuit against the speaker.
Usage examples of "sue me".
Hankey was also threatening to sue me for the mental anguish I'd inflicted on her daughter.
Though I suppose if Tyson beats the rap, they may all sue me then.
They'll certainly have the right to sue me once the truth is known, and you can assume they'll do it.