“Pen-Pineapple-Apple-Pen” (PPAP) was released in 2016; one source tied its full release to October 27, 2016, and another described it as a viral trend in late 2016.

Quick Scoop

The song/video became widely known after its 2016 release, and the exact date often cited for the full release is October 27, 2016.

Note

Your spelling looks like a playful typo, but it clearly points to Pikotaro’s “Pen-Pineapple-Apple-Pen.”

TL;DR: PPAP was released in 2016, with October 27, 2016 commonly cited as the full release date.