The term "kenny hair" refers to a hairstyle commonly associated with the character Kenny from the animated television series "South Park". It is defined by its distinctive long, shaggy appearance and is typically worn with a beanie or other hat.
Kenny hair has gained popularity due to its unique and edgy aesthetic, often associated with individuality and rebellion. Despite its association with the fictional character, the hairstyle has been adopted by individuals in various subcultures and fashion movements.