You might think retirement means hanging up the gloves and relaxing.
But for Demetrious “Mighty Mouse” Johnson, the fire clearly still burns.
Even though he’s stepped away from professional MMA, one recent sparring session proved he’s still not someone to mess with—especially if you’re there just for clout.
A YouTube Session Turns Intense
Johnson, now 38 and widely respected as one of MMA’s most technical and accomplished fighters, was filming content for his YouTube channel.
He had invited two fighters from the viral underground fighting group Streetbeefs—a scene known for its gritty, backyard-style brawls.
Everything started off fine. Johnson was doing what he does best: teaching, mentoring, and breaking things down.
But then, one of the fighters, who goes by the name Winged C, decided to push the wrong buttons—taunting Johnson mid-sparring round by repeatedly calling him “good boy.”
Johnson Hits His Breaking Point
What happened next felt less like training and more like a switch being flipped.
Johnson, visibly irritated, didn’t take kindly to the mockery.
After the session, he vented his frustration.
“He kept saying good boy,” Johnson said. “Does he realize I’m 38 and I’ve been doing this for 20 f***ing years?”
He admitted he was close to entering what he called a “dark place,” adding that he was sick of fighters showing up just to “clip farm”—trying to manufacture viral moments at the expense of the craft.
Seconds later, Johnson landed a thunderous head kick that sent Winged C crashing to the canvas.
“That’s the Clip!”—But Johnson Wasn’t Amused
Winged C, clearly more amused than injured, lay on the mat and grinned, saying: “That’s the clip, that’s the clip shot.”
But Johnson wasn’t laughing.
Then, the other fighter, known as Death Sentence, made things worse by chiming in with a half-thought-out comment:
“Wait, Mighty Mouse, if that was a real MMA fight…”
Johnson shut it down immediately.
“Shut the f*** up! The show’s over. The clowning is over,” he snapped, pointing directly at him.
“You want to get good, or you want to keep doing this circus act? Because I’m not wasting my f***ing time.”
A Passionate Reminder of What Fighting Is About
After the outburst, Johnson took a breath and delivered a heartfelt message.
For him, fighting isn’t just a spectacle—it’s a discipline, a lifestyle, and something he’s devoted nearly two decades to.
“I’m passionate about fighting. I’m passionate about helping people get better.
But I’m not passionate about chasing clips and views.”
He reminded the younger fighters that the game has changed—and not necessarily for the better.
“When I started training 18 years ago, it was about the money, not fing views.
You call me ‘Unc’ for a reason. Yeah, I am. Now fing train.”
A Warning About Long-Term Damage
Still fired up, Johnson turned to Winged C and offered a sobering warning:
“He’s been knocked out the same way.
When he’s 40, he won’t be able to put together a sentence.”
Aftermath: “It Felt Like Getting Yelled at by Dad”
In the final part of the video, Death Sentence reflected on what had just happened in a solo confessional. He wasn’t laughing anymore.
“It was f***ing embarrassing,” he admitted.
“It was like a dad yelling at his son for doing too much.”
A Legend Who Still Commands Respect
Demetrious Johnson officially retired from competition in September last year, capping off a historic career that spanned multiple organizations.
He was the UFC’s first-ever flyweight champion, holding the belt from 2012 to 2018 and defending it a record-breaking 11 times.
His reign only ended after a razor-thin split decision loss to Henry Cejudo.
Afterward, Johnson made a rare switch to ONE Championship in a trade that sent Ben Askren to the UFC.
These days, he’s focused on building his YouTube channel and mentoring the next generation—but as this recent session proved, he’s still not someone you want to underestimate or clown around with.