"Iron" Mike Tyson went from delivering knockouts to being knocked out himself...on a hoverboard.

The former heavyweight champion of the world took to his Instagram account Tuesday afternoon and posted a video of himself taking a hard fall off a hoverboard.

The clip starts off well, with Tyson smiling as he spins around with perfect balance on the device. But after completing his second revolution, Tyson goes forward — and that's where the trouble comes. The former champ loses his balance while moving forward and takes a hard fall onto his back and backside. Oof. It hurts just watching.

But hey, Mike is one of many to feel the pain of falling off a hoverboard. Despite that, you already know he's going to get back up.

This is too funny, though.

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(Photo: Kevin Winter/Getty Images)