Any one adult person who engages in acts of a mentally retarded child. Someone who clearly demonstrates a lack of commitment to maturity and the responsibilities that come with it.
Dr. Doback in Step Brothers to his 40 year old son living at home who cant get a job or act like an adult:
A group of people who have no relation to the 2 g juggalos or the insane clown posse. They are known for giving off positive energy and donating to the less fortunate. They can often be seen at sporting events cheering on their friends.