m8 y u look this up

The act of leaving a pineapple and a pen together.

The pen vigorously shoves itself into the pineapple, waits 9 months and a pineapple pen pops out.

a pineapplepen is when you insert a pen into the bottom of a pineapple and do one of two things: 1) eat the pineapple straight from the pen 2) write with the pen, while the pineapple is on top, this is great decoration!

Intro
(PEE-PEE-AY-PEE)
P-P-A-P

Verse 1
I have a pen, I have a apple
Uh! Apple-Pen!

Verse 2
I have a pen, I have pineapple
Uh! Pineapple-Pen!

Verse 3
Apple-Pen, Pineapple-Pen
Uh! Pen-Pineapple-Apple-Pen
Pen-Pineapple-Apple-Pen