The Topping King is an Uncommon Fortnite Loading Screen. This cosmetic has been leaked, and the loading screen will hopefully be available to purchase in the near future! The Topping King was first added to the game in Fortnite Chapter 3 Season 3.
How-to Get the The Topping King Loading Screen
The Topping King was leaked or datamined, which means we don't know for sure how it will be released. Most cosmetics that are leaked will be released within 30 - 60 days of their discovery.