When the Prime Minister was asked what this means, she replied with "Brexit means Brexit." http://www.bbc.co.uk/news/uk-politics-36782922
When people have asked specific questions like "am I going to be able to continue to live here?" or "am I going to continue to receive scientific funding that is distributed by the EU?" or "how is this going to affect my business?", they haven't recieved answers.
In the words of Douglas Adams, "This has made a lot of people very angry and been widely regarded as a bad move."