Definitions by PIKOTARO

PPAP 

An acronym that stands for : Pen-pinapple-apple-pen.

PPAP is a Japanese short video that went viral in hours.
Made by the Japanese PIKO-TARO

Words to the song:
I have a pen, I have an apple
Uh!
Apple pen!
I have a pen, I have pineapple
Uh!
Pineapple pen!
Apple pen, Pineapple pen,
Uh!
Pen Pineapple Apple Pen

P1: Dude, it's all over the news! What on earth is PPAP?
P2: *sings the song* Pen Pineapple Apple Pen!

PPAP by PIKOTARO November 13, 2016