Dream about snake in mouth signifies domesticity and lifelong companionship. You are over-thinking an issue. You are setting your sights on a new goal. The dream points to your feelings of superiority. Perhaps an aspect of yourself is locked up inside and it needs to be expressed.
Snake in mouth dream is a harbinger for an undesirable aspect of yourself in which you need to confront. You may be distancing yourself from others. Although these may be tough and difficult times, it will have a positive outcome. It is a symbol for your protective emotional cover. You need to alter some behavior, attitude or aspect of your life.
If you dreamt about snake in mouth:
It could be that you feel warmly optimistic about the date you are going out on tonight, or it could just be that you are currently enjoying life. Whatever the reason, you will have even more occasion to smile after you meet up with your new friend, who proves to be one very amazing person.