An act of violent self harm. such as slashing your wrists so hard you almost cut your hand off. people who tend to be into caluming do it not out of deep rooted depression but to gain sympathy, hence the horrific wounds. Calumers tend to be attention seekers who never fit in and pretend to like all songs in a desperate attempt to find common ground with everyone. but it fails because their scarred up freaks
he's been caluming so hard i'm surpprised he's got blood left.