Source: Mr. Bean
Mr. Bean is seen licking an envelope to seal it and then goes to put it through the mail slot on his door. He accidentally seals the envelope to the mail slot itself, and when he pulls the letter out to try again, it rips and ends up stuck outside, leading him to pull the door shut with the letter flapping outside.
This clip serves as a visual metaphor for attempting to complete a simple task and failing miserably or creating a new problem while trying to solve the first one. It perfectly captures the feeling of 'oops' or 'my bad' in a relatable, comedic way.
