Ducobu is a well-known French schoolboy character from comic books and comedy films, famous for avoiding work, cheating on tests and clashing with his teachers. The phrase zero au coin combines a failing mark with the classic punishment of standing in the corner, which is why the short clip works so well outside its original context. Shared on soundboards and in short-form edits, it has become a quick shorthand for school failure, bad luck and being caught out, especially among French-speaking meme creators.