Person in a city who, either by choice or circumstance, becomes invisible to those around him or her.
The millions of homeless men and women in cities who are passed by or ignored daily are urbanonymous. A less obvious example is the person who disconnects with the city (and people within it) by listening to his or her own personal soundscape on a digital media player like an iPod.
He felt on top of the world when his first Urban Dictionary word, urbandon, was added. But as the weeks passed, it turned to despair, as there was only one thumb, and it was not up. How ironic that they should urbandon his word!
Urbandouches are people who try to add a definition on Urbandictonary or randomly enter chat rooms and spew hate about one specific person.
Joe: hows life?
Bob: good
"Sed has enterd the chat room"
Joe: hi...
Sed: OmG jEnNIfEr IS a TOTally BItCH!!!!! shES fAt aND HaS no FRIENds!!!!!
Bob: who are you?
"Sed has left the chat room"
Joe: what an URBANDOUCHE