sham·bol·ic adj. Chiefly British Slang
Disorderly or chaotic: “ [The country's] transportation system is in a shambolic state” (London Sunday Times).
[Probably from alteration of shambles.]
sham·boli·cal·ly adv.
(I am also starting to believe that it wasn't a hurricane that hit New Orleans but zombies. The drivers here are terrible right now - quite shambolic.)