MIKE TYSON admitted that he’s gotten sexually aroused while training for a fight, and thinking about the fact that he might hurt someone.  And he sometimes gets a “twinkle” now that he’s training for his comeback.

(Careful)  He said, quote, “What does it mean when fighting gets you erect, what does that mean?”

(PROFANITY WARNING:  You can watch video here.  It’s uncensored.)