A new viral Kendrick Lamar meme called “Mustard” has been making a lot of waves on social media, in the wake of the recent release of GNX, the rapper’s sixth album. This has surprised and excited many fans,

In addition to tapping singers SZA and Deyra Barrera, the 17-time Grammy winner used production from frequent Taylor Swift collaborator Jack Antonoff as well as Mustard, the stage name of Dijon Isaiah McFarlane, who produced Lamar’s mega-viral hit “ Not Like Us .”

DJ Mustard is the stage name of Dijon Isaiah McFarlane, a rapper and producer who worked with Lamar GNX alongside Jack Antonoff, SZA, and more. Most notably, however, Mustard worked on Lamar’s mega-viral and controversial hit “Not Like Us,” a diss track fueling Lamar’s longtime rivalry with Drake.