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Humerous term for folk metal.

Derived from 'hey nonny nonny', a term used by medevil moks to trascribe folk lyrics deemed overly saucy, and given the suffix of 'core' often used in the likes of grindcore, hardcore, and the like, indicating a stuban adherance to a particular mode of playing music.
Are you going to the nonnycore gig tonight?
by Slev September 04, 2007
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