to write a defintion for yourself on urban dictionary. the definition generally contains flattering descriptions and an example with a speaker declaring something like, "that kid's such a __(whatever the name is)"
usually an act performed by insecure people with low self esteem, or by conceited losers who actually think they are so awesome that people say things about them like, "that kid's such a __(whatever the name is)"
see also: autodefinurbinaut
Jameriquai: "he autodefinurbinated again? what a dork."