Short for "good story". Used sarcastically to mock someone when they tell an awful story or joke.
Note: A situation, person, or thing can also be considered a GS if it is boring, lame, or not ideal.
1. Person A: Man, that party last night was so fun. What time did you leave?
Person B: I went home at 8 so I could take my dog for a walk.
Person A: GS dude.
Short for Gold Stars. In Rock Band and Guitar Hero, you can get gold stars depending on certain things. Rock Band is just a high score on expert difficulty, and GH is to full combo (or "FC") a song.