Get Through;
To be successful at a particular venture.

To get through. Commonly used phrase in Trinidad & Tobago.

It means Grand Touring, usually the highest model of a car, can be found on many cars including the Mustang, and the Grand Am, also in italian can be translated into Gran Turismo, a famous racing game for PS2

Represents the capital of Guyana, which is Georgetown. If you are GT, you are Guyanese.

Good times.

Represents the capital (Georgetown) and people of Guyana. If you are GT, you are Guyanese.

In terms of xbox 360, it means gamertag