To cheat on your partner, betray them romantically behind their back. It comes from the horns gesture — a universal symbol of infidelity that everyone dreads.

To ambush an enemy with numbers advantage, attacking them by surprise with multiple players. In MOBAs like LoL, the jungler's gank can change the entire game.

Overpowered — something way too strong or broken in a game that gives an unfair advantage. If a character or weapon is OP, everyone uses it and everyone else complains.

To attack an enemy while moving away from them, maintaining distance so they can't hit you back. It's the basic technique for any ranged character.