A person, commonly a teenage girl, who practices 'self mutilation' but cutting there skin with any number of objects. They generaly cut to relive emotional pain, or because it is the only pain in their life they belive they can controll. Others cut for attention, or to fit in with a group. They come from all backgrounds, but are usually assoaciated with the emo/goth sterotypes.
"I saw Ellie in the school bathroom yesterday holding a razor, she's a total cutter."