You know its GG when Dr. Mundo starts to sound smarter than the team chat...

You know it's GG when your support is carrying...

You know it's GG when your team has no tank... happened to me plenty of times, we lost every time.

You know its GG when your AD carry only has assists and has only 50 cs.

You know it's a GG when soraka goes dorans blade

You know its a GG when your Wukong troll feeds, jumping into every fight there was, thinking he could carry you to victory in a 3v1 early game.

You know its GG when you have a Zed top and the enemy turns off shadows

You know it's GG when the enemy Leona gets a Pentakill.

You know it's a GG when a Draven gets fed

You know its GG when 4 allies afk at the start, leaving the game to be a 1v5. Have fun split pushing 3 lanes.