The Crossbounce emote is an Rare Fortnite emote. Crossbounce was available via the Item Shop for 500 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Crossbounce Emote Details
Bounce into the groove.
Fortnite Crossbounce Emote PNG Images
Here is the PNG images of Crossbounce below!