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Noun (verb form: Arsassination), also called an arsonurderer, A person who commits premeditated murder by means of arson. Usually done by setting fire to a building that the victim is known to still be inside of. Sometimes they may set up some form of barricade to prevent their target from getting out.
Occasionally a spouse or family member will attempt this form of crime in an attempt to collect on both a life-insurance policy and a fire-insurance policy at the same time.
This term, and it's synonym, were coined by the character of Shawn Spencer on the television show "Psych", while attempting to find a term for this type of criminal.
Did you hear about that guy on the news who tied his roommate to a couch and set it on fire? Now that was one disturbed arsassin.
by astrolounge August 11, 2009
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