Back before YouTube removed its dislike function there were plenty of videos that managed to go viral for all the wrong reasons.
Previously viewers had two options for how to react to a video if they wanted to express their thoughts on it.
There is of course the like button, but if viewers felt strongly enough they could also opt to dislike a video.
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It takes a barely surface-level knowledge of the pit of abyssal horrors that is the internet to immediately see why this might not be the best idea.
In an era where the undersides of digital bridges see trolls packed in elbow to elbow, with many of them AI accounts, having a way to dislike something is asking for trouble.
But before its eventual removal, the announcement of which itself got tens of thousands of dislikes, there were several videos which got the dubious honour of being the most disliked video on YouTube.
So what were they? Let's do the top five.
Johny Johny Yes Papa
Well in number five we have Johny Johny Yes Papa, a music video for children which apparently really rubbed people up the wrong way and was disliked 11,954,000 times.
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Incidentally, an alarming number of the videos featured on the 42 most disliked videos are aimed at children.
Justin Bieber's 'Baby'
In fourth place we have the music video for Justin Bieber's song Baby, which weighed in with 12,476,000 dislikes.
Sadak 2 trailer
Third place is the trailer for Bollywood film Sadak 2, which saw 13,667,000 dislikes.
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The trailer was inundated with dislikes as a huge collective protest against nepotism in Bollywood after the death of actor Sushant Singh Rajput.
Fans believed that Rajput's mental state had deteriorated due to his being shut out of the industry, leading to his death by suicide.
Baby Shark Dance
In second place we have another music video for children, the Baby Shark Dance with 14,972,000 dislikes.
So, what is the most disliked YouTube video of all time?
Which brings us to the top spot - YouTube Rewind 2018: Everyone Controls Rewind.
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This was the ninth instalment in the YouTube Rewind Series and was shared to the platform's own official account.
It featured several prominent YouTubers as well as mainstream celebrities such as Will Smith and Trevor Noah.
But what was it that got the video so panned?
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It was criticised for using trends which were seen as either outdated or unpopular, and not having rivalries such as KSI vs Logan Paul and PewDiePie vs T-Series.
As for the number, when YouTube removed the feature publicly it had clocked up a whopping 20,358,000 dislikes. Yikes.
Kit Roberts