A "cameo appearance" refers to a brief and often unexpected appearance of a well-known person, typically in a film, television show, or theater production. These appearances are usually not central to the plot but serve as a fun surprise for the audience. Famous individuals, such as actors, musicians, or directors, often make cameo appearances to connect with fans or add a unique touch to the production. Cameo appearances can also occur in other media, such as video games or comic books, where a recognizable character or personality appears for a short time. These moments can enhance the experience for fans and create memorable interactions within the story.