When you suddenly feel a compulsive need to add a definition to Urban Dictionary, usually after coining or re-defining a witty term or phrase.
Person 1: "So when I get disgusted and spit out my gum, I call it 'A case of the ickies'..."
Person 2: "Haha damn, we gotta share that with the world. I've got the Urban Itch."
November 23, 2010