If you dreamed of Killing a Rat: Helping may have more positive returns than donating, so you should take firm steps forward. To kill a rat in a dream indicates that the person who sees the dream will gain superiority over his enemies, realize the enemies you think are friends and get away from them. It indicates that the dreamer will overcome the difficult times and attain happiness.
Whoever kills a rat in a dream will be victorious over his enemy. This dream indicates that you will soon become aware of your friends and enemies and move away from them. If you kill a rat in your house in your dream, it will spoil the plans of one of your relatives about yourself. If you see a mouse biting you in your dream, it means a calamity that will soon befall you; Fighting with the mouse and seeing you win is interpreted as having power and might.