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1 definition by Scars are forever

 
1.
The practice of harming oneself (on purpose) in some way. There are many reasons people do this, self-mutilation (or: self harming, self injury, etc) is often linked to depression, high anxiety or self-loathing. If you harm yourself you need to get help, tell a teacher or a parent or look in your phone book for a help line.
Self mutilation is getting more and more poular, especially among teenage girls.
by Scars are forever November 20, 2003