1. (verb) to be shown up in a event you thought you were good at so bad it were as if your ass had been mangled
2. (adj.) to have the apperance of being ass-mangled
"Dude thats the seventh time you lost. I thought you said you were good at Madden."
"I am."
"Apparently not because your getting ass-mangled."
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*