"Mouth breather final boss": Fans in stitches as Fanum catches Kai Cenat completely knocked out after the Sidemen Charity Match

The internet can’t stop laughing after a hilarious Kai Cenat moment from the Sidemen Charity Match went viral. Kai Cenat, a famous Twitch streamer and YouTuber, was caught completely knocked out by his friend Fanum moments after the match. In the video, Cenat is seen fast asleep, mouth wide open, seemingly out cold from exhaustion after his performance on the field.

Fans wasted no time cracking jokes, with one viral tweet dubbing him the “mouth breather final boss” under a clip of Cenat’s snooze. Fanum’s troll moment had the internet in stitches as they joked about everything from Cenat’s heroic nap to his impressive display on the field. @SlatDontMiss tweeted:

"Fanum catches Kai Cenat out cold as he was tired after performing in today’s Sidemen Charity match 😭😭.”

"Mouth breather final boss 😭😭," @ayekeeno commented in response to the viral moment, and the jokes didn’t stop there.

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Kai Cenat’s epic nap after the Sidemen Charity Match sparks a meme frenzy

It didn’t take long for the Twitterverse to respond with endless jokes and memes. Here’s how fans reacted to Kai Cenat’s KO moment after the Sidemen Charity Match:

“This wild. I would have spit in bro mouth 😭” was a top-tier comment by @harafcy that got a ton of laughs, as viewers teased the wide-open-mouth snooze.

@KurlyChrisTV posted a hilarious meme, writing,

“Kai wake up you’re missing Avatar 4” with a photoshopped picture of Kai sleeping in a movie theater.

Fans kept the trolling coming, with comments from @JACKPOTJB77 like,

“Ice cold lol throw a French fry at him hahah” while @xqcreviews added,

“He deserves the snooze bro actually got a goal in 😭.”

Kai's performance on the field earned him some respect, but exhaustion definitely got the better of him post-match.

“Bro jus tryna sleep fanum always trolling 😭,” @ThorDKidd noted, calling out Fanum’s prankster personality.

The final punchline came from @Clipsgoose, who simply said,

“Bro was exhausted,” perfectly capturing the essence of Kai’s intense day of soccer and sleep.

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What is the Sidemen Charity Match and what was Kai Cenat doing there?

For those unfamiliar with the event, the Sidemen Charity Match is an annual football game organized by the Sidemen, a group of popular UK-based YouTubers. The 2025 edition was a spectacle, bringing together a mix of internet personalities, athletes, and celebrities from across the globe to play for charity. This year’s match was hosted at the Valley Stadium in London, with all proceeds going to various charitable causes.

Kai Cenat, a top-tier content creator known for his high-energy streams and entertaining videos, was one of the standout participants this year. Alongside big names like KSI, IShowSpeed, and more, Kai took to the pitch to showcase his soccer skills—and even scored a goal! His performance was met with enthusiasm, proving that the Twitch star could hold his own in the high-stakes charity game.

While Kai’s time on the field was impressive, the real highlight came post-match when his exhaustion got the best of him. Fanum, a fellow YouTuber and longtime friend saw the perfect opportunity to film Kai’s hilarious nap, sealing the viral moment.