Cut up of anyone's hand in a dream doesn't mean that it would became true in real life, so its a normal thing that you don't need to worry about it, Hands symbolized of Works, Job, or Habit, since it was cut up in a dream so you better ensure if it was representing to a bad work, job, or habit...
They had some very unfair rules where you would cut off someones hands for stealing so they would pretty much bleed to death.
The image of cutup hands sounds like a melodramatic scene from an old horror movie. So it is entirely possible that the dream reflects some old horror film, video, or videogame that you have seen recently. On a more symbolic level, these scary hands might represent your feeling threatened by someone who is grasping at you either literally or figuratively.
This dream uses symbolic imagery to express the dreamer's feeling of being hurt or injured by the girlfriend. The physical cut in the dream represents an emotional wound or pain.
This dream suggests that you feel very guilty or frightened over your own sexual urges.
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decapitate
This dream represents the dreamer's own feelings of being "cut short" or "cut off." It suggests some suspicion of hostility or enmity. The dream could highlight subconscious intuition that all is not well in some important situation. However, the dream reflects the dreamer's own feelings. It provides no evidence of any actual real-life hostility.
This dream suggests that something harmful needs to be "cut off" from the dreamer's life.
The dream suggests that you feel "cut off short". It could also suggest that you feel incomplete, or that you feel unequipped to deal with your present situation.
Marked for Death
I saw this on MythBusters and they said they can't.