While most of the time background actors are given dialogue in case their conversations can be picked up or understood over the main scene, there's only so much "watermelon cabbage" and fake nodding actors can do if they're not given lines. Being an extra is often a lot of long days and countless takes, so if you catch a background actor in a vulnerable moment of a nonsense conversation about cabbage shoes or gossiping about when lunch is or the star of the film, have a laugh and cut them some slack.
So, when a Reddit user asked lip-readers, "what is the funniest thing you have ever heard a background character in a movie say?" people were ready to share the behind-the-scenes conversations they weren't meant to interpret.
"I really don't want to be here, please can you give me a ride back, I want to quit" - Animalynn123