Dream about dead mom smiling signifies some shocking and dreadful news that you are about to receive. You are not handling a situation in an effective way. Some aspects of your personality are hurtful and even dangerous to your own well-being. This is unfortunately a warning for a problem or concern that has been lingering over you. You do not have all the facts needed to make an informed decision.
Dead mom smiling dream is unfortunately a warning for anger that you are trying to hold back, but it must be expressed. You are expressing yourself in an inappropriate manner. You are trying to nurture some project. Your dream is an omen for feelings of guilt and low self-esteem. You do not know where you are headed in life and what you really want to do with yourself.
If you dreamt about dead mom smiling:
It is something you have been mulling over for some time, and the various events that happened over this past year all contributed to it. All you have to do now is make the right choice, then carry on with the rest of your life.