A quick summary of the factual allegations:
On April 24, 2021, Samuel Johnson sat down for dinner at a hotel in Franklin, Tennessee. Shortly after, a group of forty to fifty teenagers began taking prom pictures nearby. The boisterous teenagers apparently disturbed Johnson and other customers, prompting him to ask the chaperone to settle them down. One of the teens, who was wearing a red prom dress, overheard the request and confronted Johnson, all while his boyfriend filmed the interaction. The video is not a picture (or record) of clarity. But at a minimum, it captures Johnson saying that the student in the red dress "look[s] like an idiot."
And here's the decision from this Monday denying the motion to dismiss, by Chief Judge William Campbell (M.D. Tenn.) in Johnson v. Griffin: