Acronym of Good to Go for Good. A positive connotation used typically to describe a person's mental state, a repaired item, or some other fix that is secure and lasting.
I will keep the help ticket open until the fix is complete. When you receive an email notification, that's when you know you're GTGFG.
this is when you go from the middle to the left of the keyboard typing the middle letter, then the top letter, then the bottom letter, and then do it again but going from the middle to the right of the keyboard.