Track 13 on Wayne’s 11th studio album FWA (Free Weezy Album).
In this video, Wiz previews a short part of this song at 4:12 mark.
https://www.youtube.com/watch?v=eac2rHTUcw4
Wayne & Wiz have collaborated before on “Work Hard, Play Hard" remix, as well as both feature on the “Sleazy” remix 2.0 and “Celebration” song.
Wiz called this song the “hardest song ever”.
https://twitter.com/wizkhalifa/status/617345278639738880