A case of stiff or sore neck muscles cause by excessive headbanging, usually to Metal, or some type of Rock music.
by icouldntthinkofone December 30, 2011
Matt: I hear Jeremy blasting Metallica and Megadeth from his pickup truck.
Tom: Jeremy is a metalneck.
Tom: Jeremy is a metalneck.
by HeavyMetalGuy360 April 19, 2021