ilijailijä
The term "ilijailijä" is a Finnish word that translates to "spoiler" in English. It refers to someone who reveals or discusses plot points of a story, such as a book, movie, or video game, before others have had the opportunity to experience it themselves. This act can detract from the enjoyment and surprise of the narrative for those who have not yet encountered the information.
The concept of "ilijailijä" is generally viewed negatively within fan communities and among consumers of media.
The act of being an "ilijailijä" can be intentional, sometimes done maliciously to upset others, or unintentional