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young adults in the metal scene who are deliberately trendy in metal "fashion". spray-on black jeans and band t-shirts (make sure you cant actually read the band name), with a beard, sleeve tattoos and large ear plugs form the basis. Can be described as "dressing bogan but smelling slogan"
to see a thrashonista, pick any band on the taste of chaos tour.
by T Willy B January 05, 2008
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