Dream about giant crab refers to unyielding authority and over-protectiveness. You are out of balance. You need to reevaluate your support system. The dream represents forgiveness. You need to reevaluate your options.
Giant crab is a metaphor for shyness or bashfulness. Perhaps you are letting petty problems or insignificant issues eat away at you. You are spending so much time playing a game or watching tv. The dream indicates self-acceptance or your quick wit. You need to proceed carefully into some situation or relationship.
Giant crab in dream is a sign for feelings of insecurity or doubt. You need to let go of some of that defensiveness that you have been putting forth as a result of a past relationship. You will be disgraced or embarrassed in some way. The dream symbolises an aspect of your life where you need a little assistance. You will suffer from a physical disorder.
Dream about giant crab is sometimes remembrance, grief and repentance
You need to be more in touch with your femininity. Perhaps you are looking for an answer to a problem or decision. The dream is a metaphor for some imbalance and disharmony in your life. Your psychological integrity is being attacked.
Giant crab is a portent for masculine aggression. You are trying to escape from your daily problems. Some issue may have to do with letting go some part of yourself. The dream draws attention to a situation where you are fighting for your survival. You need to be reenergized.