PewDiePie, real name Felix Kjellberg, shared a video titled 'Coco' in which he takes aim at Cocomelon - the most-watched children's channel on YouTube, which shares animated nursery rhymes.
The song, which is performed in a nursery-rhyme style, kicks off with the lyrics: "F*** you daddy, f*** your mummy too, f*** everything you love, most of all f*** you."
It goes on: "Cry, cry, cry, yeah, I don't give a s***. I'm your mummy now you wittle baby bitch."
The clip continues with PewDiePie telling viewers that 'Santa isn't real', 'your mum is always lying when she says you're really smart' and 'your dog is not in Heaven, he is rotting in the yard'.
YouTube has since removed the video in an attempt to stop fans of PewDiePie from harassing the channel or its fans.
The video-sharing site told Bloomberg it had seen a rise in harassment towards the Cocomelon channel since the 'Coco' video was shared.
In a statement, YouTube said: "Our policies prohibit content that leads to repeated patterns of harassment on and off platform.
"Following a review, we've removed the video in question for violating those policies because they had the effect of encouraging abusive fan behaviour."
The official YouTube Twitter explained that the video 'violated two policies', listing reasons as: "1) Child safety: by looking like it was made for kids but containing inappropriate content (incl violence)
"2) Harassment: we allow criticism & also diss tracks in some cases, but w/ both policies in mind, this video crossed the line."
The post continued: "Also, any reuploads of the original, including full length or partial reuploads, clips, etc will be removed too. Still images are ok."
(1/2) To clarify, this violated two policies 1) Child safety: by looking like it was made for kids but containing inappropriate content (incl violence) 2) Harassment: we allow criticism & also diss tracks in some cases, but w/ both policies in mind, this video crossed the line. pic.twitter.com/PmEqkQXhAu
- TeamYouTube (@TeamYouTube) February 19, 2021
The video was part of PewDiePie's ongoing beef with the Cocomelon channel, which has seen rapid growth on YouTube and has more than 100 million subscribers.
PewDiePie announced his intentions to release a diss track earlier this month, but it only remained online for a few days before YouTube pulled it.
He has since said he's now done with Cocomelon.
"I saw this as the finale," he said in a clip posted a couple of days ago.
"I am not going to continue with it because, one, it would be funny and two, I don't actually care about Cocomelon."
This isn't the first time Pewds has made a diss track towards another big YouTube account. Back in 2018 he released the video 'Bitch Lasagne' where he went in on T-Series - a Bollywood studio.
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