a metalhead who is addicted to the sub-genre of metal known as thrash. Bands they listen to may include but are not limited to: old-school Metallica, Megadeth, Slayer, Anthrax, Kreator, Testament, Pantera, Helloween, Nuclear Assault, Death Angel, Machinehead, Overkill, etc.
Have the classic thrash look, meaning they wear denim/leather, have band patches, band shirts, and have long hair.
You know you're a thrashoholic when you listen to 80's thrash for six hours straight.
by thrashwolf666 December 24, 2010

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