To "do an Alex Jones", to commit perjury.
Don't get your hopes up. He'll claim he thought what he said was true, and perjury is harder to prove than that.
Have you heard the latest? There's a damages cap in the state the case was heard. He might end up paying 9 million, if that. Probably less. He'll make more money than lose. It's America. The rich always have a lurk.