Humorous pop culture tattoos, such as cartoon characters or memes, symbolize a playful and lighthearted approach to life, often serving as a form of self-expression and personal identity. They can also represent a nostalgic connection to childhood memories or a shared cultural experience, allowing the wearer to showcase their personality and interests. By incorporating humor into permanent body art, individuals can express their ability to not take themselves too seriously and find joy in the mundane.