hipsterのようなどんな単語でも探してください。
 
1.
To not be able to be reached by standard means of communication (i.e. phone / email / txt) for a several hour period.
Bro, what happened to you last weekend, I couldn't track you down. Don't go dark on me again.
sftronによって 2008年01月09日(水)
 
2.
To be outside communication range, especially after hours.
When the response team in Europe go dark, your call will be automatically rerouted to Australasia.
yabbadabbaによって 2008年02月24日(日)