"Pappu" is a common nickname in India, often used affectionately for children or close friends. It can also refer to someone who is perceived as naive or simple-minded, but this usage is usually light-hearted and not meant to offend. The name is popular in various regions and cultures, making it a familiar term in everyday conversations. In popular culture, "Pappu" has been featured in songs, movies, and television shows, often representing a lovable character. The nickname has become a part of social media trends, where people use it humorously to describe someone who is endearingly clueless or innocent, contributing to its widespread appeal.