Hax

An abbreviation that means to hack a game or have hacking capabilities in order to cheat and gain an advantage.

Hax means to experience bad luck. It is a gaming term that refers to a highly unlikely event that occurs and alters the outcome of a match in the opponent's favor.

The term is commonly used in Pokémon matches when one player seeming has the game in hand when suddenly the game shifts in the opponent's favor because of dumb luck, like when your Pokémon misses two moves in a row that would have defeated an opponent. When a player gets haxed its common for the player to ragequit because of the combination of shock and anger.