Top Definition
1. punk hardcore. 2. long island hardcore 2. Ussually consisting of a large flannel shirt and skin tight jeans.
bands such as Comeback kid, Have Heart, Capital, Titlefight, etc

why is that kid wear a flannel shirt and tight jeans in the middle of the summer? because hes flannelcore.
by anonibscenev3 December 27, 2009
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