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1.
A joke music style that incorporates a wide array of emo or mallcore bands, such as Fall Out Boy, Hawthorne Heights, Escape the Fate, All Time Low, etc. etc. Often used as an insult against mallcore kids or against metalheads as a joke.
"You like Bullet For My Valentine? They're whinecore crap!"
by -6(sic)6- August 20, 2009