WWE commentator Pat McAfee was left stunned after fans broke into chants of Seth Rollins' new nickname for The Rock.
Rollins, 37, has been feuding with the wrestling icon for the best part of a month.
And the inaugural World Heavyweight Champion - who has been medically cleared to compete after suffering an MCL injury - escalated their feud during the latest episode of Monday Night Raw.
Rollins stunned the 19,000 fans in attendance at the Frost Bank Center in San Antonio by branding The Rock - real name Dwayne Johnson - "Diarrhea Dwayne".
As he stood opposite Cody Rhodes, he said: "I think I'm gonna call The Rock Diarrhea Dwayne.
"Diarrhea Dwayne because he's been running his mouth and every single thing that comes out of his mouth has the consistency of wet baby poop.
"The Rock gets on Instagram now."
Before he could finish his sentence, fans started chanting: "Diarrhea! Diarrhea."
McAfee was left stunned and said on the air: "Oh no."
Co-commentator Michael Cole then chimed in: "Oh yes."
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McAfee responded: "This guy's a member of the board."
A suited and booted Rhodes couldn't quite believe what he was hearing as the fans in attendance persisted with the chant, which spread like wildfire on social media.
One WWE fan wrote on X: "The funniest thing ever. Lol."
Another said: "So funny lol."
And another said: "Love Seth but that was cringe."
One remarked: "Holy cringe.."
Another chimed in: "Bro found the most toddler insult he could."
Rollins' poo-themed nickname of The Rock was in response to the WWE legend's 40-minute rant on Instagram this past weekend.
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All signs appear to be pointing to a Wrestlemania 40 showdown between the pair.
The Showcase of the Immortals takes place on April 6 and 7 at the Lincoln Financial Field in Philadelphia.