A special class of space vessel that obviously failed. It was designed to defend all of our bases against Cats, and only for great justice, but, since Cats took all of our bases, all space vessels of type Zig are obviously obsolete.
n. A class of space vessel designed to be used only for great justice, and only when you know what you doing. The only known countermeasure for all your base are belong to us. Move zig must be used to ensure effectivness.
take off every zig. you know what you doing. Move zig move zig move zig.