X-Pac tells TMZ Sports there's no way in hell he'd step inside the ring to fight WWE Smackdown women's champion, Charlotte Flair ... saying, "She'd f***ing kill me."
We spoke with the WWE Hall of Famer about Charlotte, daughter of "Nature Boy" Ric Flair, this week ... and asked him if the "Nature Girl" should compete against men on a regular basis.
"You know, I'm open-minded about all that," Pac said. "I mean, obviously, I come from an older school of thought, so it's weird for some of us older cats to see that, but I think we should be open to that, man.