The 35-year-old's new single got a whopping 18.9 million views on the day of its release, breaking the existing records for most views for a video on its first day on YouTube, reported Aceshowbiz.
"51 million views in 40hours! My God!(sic)" PSY wrote on on his Twitter page recently.
His earlier video "Gangnam Style" which garnered instant success for him is the first ever YouTube video to reach a billion views.
It currently stands at an astonishing 1.5 billion views and holds the record for being the most watched video in the history of the YouTube.