If something is shambolic, it is a complete mess: badly organised, falling apart, with no one holding the pieces together. It is a strong, informal word, heard most in British English, especially in newspapers talking about a government, a company, a team, or a public event that has gone badly wrong. It usually describes a situation or a performance, not a person's whole character. You might say a meeting was shambolic, or the first half of a match. It is not a swear word, but it is not kind either — more like a sharp slap in print. Americans more often say a shambles or a complete mess; shambolic itself sounds British. Though actually, even in Britain, in a shambles is the everyday cousin; shambolic is the adjective newspapers reach for when they want extra bite. It has nothing to do with feeling shame. A shameful night is morally bad. A shambolic night is just chaos.

亂七八糟、一團亂（偏英式口語）