Short for Urban Exploration. It is the act of exploring places in a city you normally don't get to see or aren't allowed in, such as abandoned buildings, drains, or rooftops.
It is a misconception that it directly involves graffiti or destruction. They are seperate hobbies but will often be found in the same location.
URBEX is the process of exploring and documenting significant abandoned buildings, including those with historical importance that otherwise would be lost and forgotten. Specifically, when URBEXing, you should leave only footsteps.
A learning disability marked by impairment of the ability to recognize and comprehend written words, especially those relating to a wrongful entry upon abandoned properties.
Mike: " Look at that decrepit old factory! Is that a 'No Trespassing' sign?
Bill: "Do you mean that sign that says 'Come On In!'?"
Mike: "Oh, you're right, let's urbex!"
Bill: "Why not? You know we suffer from urbex dyslexia! It can't be cured!"