Metalneck
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.
Metalneck
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.
Tom: Jeremy is a metalneck.