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."
Person 1: Hey! Jeremiah defined himself on Urban Dictionary!
Person 2: What an Urban Dictionary Dumbass...
Person 2: What an Urban Dictionary Dumbass...
by Snowskeeper February 25, 2013
Hey I wonder what ascot means Ill search it on urban dictionary. Ascot : slang for yo ass got bigger. Wtf a real urban dictionary definition would be that thing Fred wears around his neck on scooby doo wow this guy is an urban dictionary dumbass
by Mreraofawesomeness July 29, 2012
Dumbass Dictionary a dictionary where you can add words that you made or fucked up in spelling you can use em at a random or at a rarely shit time idk about you but ill keep my grammar away from this fucking dictionary aslong as possible
by ＥｘｏｔｉｃＮｉｇＭａｎ June 18, 2018