Definition of "slasher" [slash•er]

• One that slashes. (noun)
• Characterized by gory violence: slasher movies. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Known for bringing a panoply of sex and violence to the world's great opera houses, Mr. Bieito, 48 years old, is responsible for creating an operatic sub-genre that could be called "slasher Mozart," in which the beauty and grace of opera music is visually contrasted with a torrent of bodily fluids sprayed over a stage decorated with what looks like actual trash."
• "Michael Myers, to me, is the scariest of all the iconic killers in slasher films."
• "I just don't want it to turn on it heels like the Sunshine ending with insane captain slasher played by Mark Strong (that guy is some serious show stealer) ...."