(1) adj. refers to the property of an object (or person) as broken, ruined, significantly damaged, disfigured or deformed, often to the extent that it is not reversable or repairable.
(2) adj. an extreme state of intoxication by way of drugs or alcohol such that the subject's ability to perform basic tasks such as walking and talking are significantly impared.
In New Zealand and Australian slang, 1
is the more common sense, and in UK slang 2
is more common.