

86 is a common term in the hospitaly industry for “getting rid of”.
It sometimes refers to items out of stock, but it also refers to being kicked out or refused service at an establishment. Like someone being too drunk and getting thrown out of a bar can be said to have been “86’ed”.
That’s one way to tell people you don’t know much about your own language/culture. Because all of them have words or phrases that ignoramuses think are normal to most people.