Vomiting is a sudden forcible action. It removes all the impurities from the stomach through the mouth. It might be the worst dream of uneasiness. It pushes a person to throw-out food or unwanted adulteration forcefully. Dream of Vomiting can be voluntary or involuntary.
To tell you the truth, you may face a dream of vomiting due to something terrible. This can be something happening inside of your stomach. This is mainly the reason why a person wishes to through it out.
There are times when a person feels exhausted. This can be due to multiple things like objects, or negativity all around. And you start dreaming to remove all such negativity or illness. This creates a mess in your life. Saturation point has come to erupt all the things out of your body and for you to stay a happy life. And it is possible by the means of vomiting.