Minecraft' star Jack Black delivers a personal message to moviegoers advising against joining in the viral, messy, popcorn-throwing 'chicken jockey' trend.

Jack Black has waded into the "chicken jockey" discourse. At a screening of A Minecraft Movie over the weekend, the actor surprised fans by showing up in the theater and issuing a tongue-in-cheek warning against a viral trend that involves shouting at the screen and throwing popcorn in response to an Easter egg in the film.

A Minecraft Movie has been a huge hit in theaters, but one goofy meme from the film is overshadowing all of its box office success. While fans have embraced the absurd performances from Jack Black and Jason Momoa,