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A sub-gene of heavy metal that is known for predominantly focusing on the consumption of excessive amounts of methamphetamine. Common instruments used in Methmetal bands include, but not limited to; air guitar, air drums, air bass ect. because the actual musicians have spent all their money on methamphetamine and can not afford real instruments.

Notable bands include "Crispy-Pickin'" and "Piss Soaked Semen Torture"
by Jungle696969 January 27, 2014
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