Kidult definition by Slang.net
This page explains what the slang term "Kidult" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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Kidult is a term for an adult who acts immaturely like a kid or just really likes kid stuff. The adult may be known to have "Peter Pan" syndrome, which is to say he or she acts like a kid.
The term is primarily used to describe an adult who enjoys things associated with children. The person most likely enjoys Disney movies, macaroni and cheese, and bright colored things. Although the term is usually not meant to be derogatory, it can sometimes be utilized to criticize a person who can't handle mature responsibilities.