Watch UFC Fighter Stephen 'Wonderboy' Thompson Kick a Man as Hard as He Can

UFC fighter Stephen "Wonderboy" Thompson went semi-viral when he unleashed his kicking power on bodybuilder Houston Jones on his YouTube channel last year. And in a new video, he's following up on that stunt by attempting the same thing with his good friend Sweet T.

"I don't know why I volunteered for this," says Sweet T. "I am not Houston Jones, I am not indestructible, I am in fact terrified right now... The thing about getting hit with someone's hardest techniques, especially kicks, is that it usually doesn't happen, because when you're in the fight, when you're competing, you typically don't have enough time or your partner doesn't allow you to hit them with your hardest kick."

Thompson admits that he has never actually been able to pull off a full-power kick in the octagon, so he's excited to try some body shots now. And as he is considered by some to be one of the best kickers in the UFC (with a prior career in full-contact kickboxing), Sweet T is in for some pain.

They start off with the roundhouse kick, and Thompson aims for the solar plexus, which Sweet T has padded for safety. "This is going to suck, big-time," he says after the first kick, which Thompson delivers at 30 percent power. "I already have a headache," he adds.

Thompson ups the power behind each kick, until he's at 100 percent—and even through a shin pad and chest protector, Sweet T can definitely feel it. "I couldn't imagine getting hit, bare shin, full onto the ribs," he says.

And just in case it wasn't already clear: do not try this at home.

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