Do not eat.
Danger Frog wrap is a Rare Fortnite Wrap. This gun wrap is currently unreleased. It's an upcoming gun skin that have been leaked but hasn't been put on sale in the Fortnite Item Shop yet!
The weapon skin Danger Frog belongs to Chapter 2 Season 4. This gun skin is a leaked weapon skin, an upcoming item that will release in the Fortnite Battle Royale game. Therefore, you cannot buy it yet at the Fortnite Shop or get it by any other method.