Brony goes insane over MordeTwi fanfiction

Description YT

AHHHHHHHHHHH
I AM NOT UNCLE DONALD. I AM A PEGASUS CALLED CUPCAKE RAINBOW. RISE ON MY BACK AND I WILL SHOW YOU THE KINGDOM OF LOVE.
WHY IS MY TWILIGHT SO HARD TO BRUSH?
WHY DOES THIS EXIST? WHY? WHAT IS IT SUPPOSED TO BE? WHAT IS IT SUPPOSED TO MEAN?