It means you are in trouble or will get in trouble. "You're toasted" = "You're in trouble"
Toasted
Meaning 'Toasted'.
the toasted one
No they are not toasted.
Crouton is a cube of toasted or fried bread for use in salads
Perpetrator means "the person that did the deed." You are being accused of being the person that did "it."
Pan tostado means toasted bread.
Whiskey is slang for rye bread -- "down" is toasted.
Nutella itself cannot be toasted. It can be served or eaten on toasted rolls or crackers though.
The statement "the power supply must be toasted" is a rather idiomatic way of saying, the power supply must have been destroyed by excess current.
This dream probably uses a pun on the word "toast," which can mean toasted bread, or a celebratory drink honoring someone. It probably reflects your feeling of disgust about someone's being honored who you regard as unworthy of that honor.