The Griddy has always remained a favorite celebration for the FC 26 community (for many reasons), and contrary to popular beliefs, you can perform it inside the game.
Of course, Ultimate Team players who played FC 25 might have done what is needed to complete an objective that allows you to unlock the Griddy. If you check the complete list of celebrations, you won't find a mention of it. However, there's a way (albeit limited) to bring out your toxicity with the celebration in FC 26.
