Someone who writes Urban Dictionary definitions about themselves, or people who they know, but who are not famous. Esp. when those definition is "*insert name here* is very cool and attractive."

the thing that you don’t have when you’re phones percentage is over 20

A person who gives a dumbass definition for something on urban dictionary

An individual who leaves words and/or definitions on UD that are unintelligable, opinionated, anecdotal, an inside joke, factually incorrect, erroneous, unnecessary, poorly worded, poorly described, overcomplicated, unlikable or worst of all lacking humor or charm