A person who is against social standards of Dover Massachusetts (Many people are expected to take part in a nine to five white collar job) and does not want to conform. Can be considered rebellious. This term is not used as a derogatory term by the majority.

People who are anti-Dover are usually very artistic.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.