London, Nov 23 - Playboy mogul Hugh Hefner, 83, has revealed he almost died having sex once.

The octogenarian, who is currently dating Crystal Harris and twins Karissa and Kristina Shannon, choked on a sex toy while in bed with a group of his girlfriends, reports contactmusic.com.

'What is the closest I've come to death? There was a moment when I was having sex with four playmates and I almost swallowed a ball,' he said.