Former undisputed heavyweight champion Mike Tyson has revealed that inflicting physical pain on his opponents felt ‘orgasmic sometimes’ and even gave the fighter erections during his bouts.

Speaking on The Joe Rogan Experience, where he also discussed alien life, the 54-year-old spoke in length about his comeback fight with Roy Jones Jr, as well as the arousal that came from the brutal knockouts during his career.

“It’s orgasmic sometimes. What does it mean when fighting gets you erect? Well that’s how I’d get when I was a kid. Sometimes I’d get the twinkle,” he bizarrely claimed.

You can watch the remarkable conversation below.

The Brooklyn-born fighter, perhaps best known for biting opponent Evander Holyfield twice on the ear in the pair’s 1997 clash, left host Joe Rogan looking bewildered with his unusual fetish.

Tyson is due to face Jones Jr in the ring in November, but the Baddest Man on the Planet revealed that he may call time once more on his illustrious career after the fight.

“I believe this is just going to be the beginning, and whatever happens, happens in life. I’m just interested in fighting for the title of giving. It feels soul-cleaning for some reason. Doing it for myself doesn’t do it for me no more,” he told Rogan.

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Having not stepped inside the ring since his 2005 shock defeat to journeyman boxer Kevin McBride, the eight-round charity exhibition fight with 51-year-old Jones Jr will give Tyson a chance to add another victory to his impressive record of 50 wins from 58 bouts.

Whether Iron Mike is just trying to unsettle his opponent or the claims are genuine, the discussion is unlike anything we’ve seen before!