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.

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

Jack Black yelling “chicken jockey!” has inspired countless moviegoers watching “A Minecraft Movie” to throw their popcorn and scream at the top of their lungs. But what if you got the chance to see Black yell the viral phrase in real life?