JOHN CENA has revealed his most embarrassing moment in the ring – getting an “accidental boner” during a match.

The 42-year-old legend, who was this week announced as part of the cast for Fast & Furious 9, has not been seen on WWE TV since WrestleMania on April 7.

Despite his part-time status with the company, he remains one of the biggest stars ever to compete inside the squared-circle.

His status as a future Hall of Famer is already assured after his Ric Flair record-matching 16 world titles wins.

But not everything has ran smoothly for the Leader of the Cenation in the ring – and he has now revealed one of his hardest moments.

Cena appeared on Watch What Happens Live with Andy Cohen this week.

'WHAT THE BODY DOES'

And he made an embarrassing confession about an awkward arousal as he admitted to getting an “accidental boner” while wrestling.

But in typical Cena fashion, the charismatic Hollywood superstar brushed off the incident with ease.

He said: “It’s something the body does, you just ignore it.

“Just ignore it. It’s what the body does.

“You can’t be blamed for that.”

It was at last year’s WrestleMania 34 when fans took to social media to speculate about Cena’s excitement during his defeat to The Undertaker.

As you can see in the picture below, eagle-eyed viewers spotted a huge bulge in his pants while The Deadman was pinning him.

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One fan joked: “Why was John Cena having a b***r.. LMAO.”

Another laughed: “It looks like he's doing a little more than just defeating him, LOL. Wrestling really?”

But just maybe we already have the answer.