"GG" in the context of a porn video tag often stands for "Good Game." It is used as a light-hearted way to acknowledge a performance or activity that has been captured on film. It is commonly associated with gaming culture and can be applied to various types of content, such as competitive gaming or sexual roleplay. The term implies a sense of sportsmanship or friendly competition, indicating that the participants enjoyed themselves and took part in the activity with good humor and spirit