Roasted has several definitions:
1. To be extremely drunk or lean
2. To get done over by someone.
3. To be verbally abused for doing something stupid.
1. Chris: Owen was so roasted last night, he went home early.
2. Ben: You should of seen it, Owen got roasted at Pro Evo
3. Owen: Yesterday, I superman
ed my mum.
Chris: You must have been so roasted.
Ben: Owen, you are a wasteman