Top Definition
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.
#went dark #dark #underground #off the grid #blackout
by sftron January 09, 2008
To be outside communication range, especially after hours.
When the response team in Europe go dark, your call will be automatically rerouted to Australasia.
#daylight #earth #space #satellite #communication.
by yabbadabba February 24, 2008
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