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Stands for "Signal Kill to Go Ahead"

In the Deaf Community it is the phrase used to end a transmission over a TTY (the equivalent of texting between two parties with what looks like an electric typewriter) although TTY's are rarely used today, "SK2GA" has spread to use of both hearing and Deaf
*okay, will do, have a nice day.
-thanks, you too!
by Vshton June 28, 2016
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