ANACHRONISM:
Defined by AP to be "something that shows up in the wrong place or the wrong time."
Perhaps this could mean a plate of food showing up in a public restroom or a character wearing sunglasses in a time period when sunglasses did not exist.
Here are some visual examples of Anachronism:
Anachronism often creates a sense of displacement with various effects: either humor, discomfort, sadness, or maybe for symbolic meaning.
