Meaning, Once you start Urban dictionaring things you can't stop!
"Tom knows all of the pop culture references!"

"How?" "He has urbandictionaryitis

"Don't argue with Jake he knows he's right."
"Yeah, he has urbandictionaryitis..."
by The Dictonarian! May 21, 2010
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The belief in the Urban Dictionary instead of the Bible or any other such books.
Person1: I'm Hindu

Person2: Oh yeah, well I believe in Urbandictionaryism
by AVietnamese December 10, 2009
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Someone who posts definitions on Urban Dictionary.
Oftentimes, unfortunately, term applies to internet preteens who think it is amusing to type in their illegible chatspeak and insult peoples mothers. They also attempt to use ghettospeak in with their chatspeak, making it illegible to the nth degree.
I am an Urbandictionaryer.
by BathroomRage December 04, 2005
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