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1 definition by kohner

 
1.
gtg
Good to go.

Commonly confused with 'g2g' which means "got to go". They are different, and 'gtg' is normally used in online games to indicate a participant's "ready status." It is seeing common usage today as indicating in the example.
"Are you ready to hit the clubs? I'm gtg!"
by kohner March 19, 2009