Noob

Thoroughly beaten or embarrassed in a game.

Repeating tasks in a game to level up or earn rewards.

To weaken a character or item in a game update.

To strengthen a character or item in a game update.

Someone who plays extremely competitively, sometimes too seriously.

To perform so well you win the game for your whole team.

To lose a game you were winning due to a mistake.

Winning at the last moment under pressure.