A Scottish term used to describe the state of a person after heavy consumption of alcohol, drugs or both.
Taken from the Ramsey Street character Joe Mangle in the Australian soap opera Neighbours.
Sir Sean Connery: So, did you end up going out last night?
Clubber: Too right I did! I ended up in The Arches and I was pure Joe Mangled! What a night!
Sir Sean Connery: You are the reason I don't live in Scotland.
Clubber: Really? Well double o this ya cunt! *headbuts Sir Sean*