A rare condition where the victim is subject to an uncontrollable urge to post new definitions to words that he/she believe are unknown outside of their circle of friends.
Sarah: "Oh my god, I'm so tired of guys that always want to throon with me and Jen,"
Emily: "Did you just make that up? Like a three-way spoon? I HAVE to add that to urban dictionary."
Jen: "Sarah, I think she's got urbandictionitis,"
Emily: "Did you just make that up? Like a three-way spoon? I HAVE to add that to urban dictionary."
Jen: "Sarah, I think she's got urbandictionitis,"
by Jim Jim Jim jim July 02, 2012