A case of stiff or sore neck muscles cause by excessive headbanging, usually to Metal, or some type of Rock music.
Man, i got a serious case of metalneck fron the As I Lay Dying concert.
by icouldntthinkofone December 30, 2011
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A redneck or hillbilly who listens to heavy metal music.
Matt: I hear Jeremy blasting Metallica and Megadeth from his pickup truck.
Tom: Jeremy is a metalneck.
by HeavyMetalGuy360 April 19, 2021
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