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, Warner Bros' film adaptation of the immensely popular video game, is causing chaos at cinemas worldwide due to a new viral trend. In the last few days, dozens of videos have emerged online where film screenings have descended into carnage when actor Jack Black yells “Chicken Jockey,

This year's box office champion, "A Minecraft Movie" - and the performance of one of its actors, American sweetheart Jack Black - has lit a fire in today's youth. It's not just the $157 million in ticket sales that have propelled the PG-rated movie to becoming a cultural fascination: It's Chicken Jockey.