1. To commit suicide, especially by dispatching one's self with a blade.
2. To "off" ones self in a passionate fit of rage.
3. An intentional act of self-destruction.
Listening to Kelly Osbourne's singing was like hearing the screams of a thousand vietcong POWs simultaneously having their eyes gouged out with dull wooden cooking spoons while having their testicles smashed flat with hammers; It's enough to make even the most mentally stong person want to commit hari-kari.