To rapidly evaporate through the use of high heat intensity lasers and/or multiple intense dehydrators with the main purpose of causing quick death to any living organism; used mainly as a term to describe the destruction caused by an alien invasion.
"Whoa! The city and all its people were dezaperated into oblivion by those fucking aliens man!"
When you go to kick a gnome that you just burned,thinking it is still a solid, only to find that when your foot touches it little ashy gnome particles fly in to the air everywhere