When singing the titular line in the song, Justin Timberlake annunciates the word "me" as "May." According to a 2016 article from E! News, the first iteration of the meme appeared on Tumblr in 2012.
It's gonna be May' meme is back: Origins, what it means and why you'll see it on your feed According to a 2016 article from E! News, the first iteration of the meme appeared on Tumblr in 2012.