This story is a sequel to Spike Gets The Polio then has only 72 hours to Touch Rarity's Butt Before He Explodes
Twilight Sparkle, a powerful equestrian princess, feels it is time to get her princess mane. Because Celestia and Luna refuse, she attempts to "troll" them in order to get what she wants. Hilarity ensues.
This story is part of a collection known as The Dank Bank. It is recommended, but not required, to read some of these stories first.