Internet shorthand for "Got to go". Also, it can mean "good to go", depending on the context.

got to go ( Short hand )

Slang for the internet acronym "Got To Go." Is also sometimes phrased as "G2G". Used as a goodbye message or simply saying that the player has to get off their computer.

Instead of the normal phrase of gtg, meaning "Got to go." The acronym GTG can mean "got the gay" or "get the gay"

Means gotta go. But it has evolved into something more like i dont wanna txt you anymore