Anyone interested in this might also like the Dictionary of American Regional English:
(unfortunately, not free for full access)
Does anyone know where the OED draws the line on niche jargon and slang? There’s a lot of self-conscious neologism and silliness in in publications such as The New Hacker’s Dictionary and Urbandictionary, but also a lot of genuine words that have genuine meaning in niche communities.
I submitted a regional racial slur: "prug". Is that acceptable?
I think they need to go through this: http://www.samosapedia.com/by_language/english
Great way to timepass btw.