Definitions by mcmb fan

yawncore 

A post-genre of hardcore; the lethargic act of yelling in a song, as if you were yawning in the morning.

Have you listened to this new band? There genre is yawncore. My favorite yawncore part is when he says "yand yeven yo ye yeel yed yinside"

yawncore by mcmb fan January 19, 2011