The Poof emote is an Uncommon Fortnite emote. Poof was available via the Item Shop for 200 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Poof Emote Details
Beguile your enemies in a cloud smoke.
Fortnite Poof Emote PNG Images
Here is the PNG images of Poof below!