If you dream about spitting up yellow vomit, it mean that you have to release negative emotions or problems in your life, a message for new beginnings. Yellow is a color that is often associated with sadness or fear, so such a dream indicate that you need to release heavy emotions that are pent up inside you, a sign for your desires to keep up appearances.
Vomiting itself also mean that you need to get rid of something that is not good for you, a premonition for your inability to cope with a see that being sick is a way out. Perhaps there are circumstances or relationships in your life that are burdening you or toxic and this dream indicate that it is time to break free, a signal for some situation in which time is running out.
On the other hand, a dream about yellow vomiting also have a physical meaning, hints your need to take time off on an adventure. Yellow vomit a sign of liver disease or stomach problems, hints a part of yourself that you are trying to hide or are afraid of revealing. So if you are struggling with such symptoms in your daily life, this dream indicate that you should better get them diagnosed or treated, points to a dominant male figure in your life.
Dreaming of vomiting yellow a symbol of the body trying to cleanse itself of something toxic or negative in waking life, represents the consequences of your own actions. This indicate that there are certain emotions or experiences that are causing discomfort or distress, and your subconscious mind is trying to purge them, points at something you are unwilling to confront. The color yellow also represent feelings of anxiety, fear, or nervousness, so it's possible that the dream is highlighting these emotions as well, a metaphor for an emotional barrier. It beneficial to explore what is causing these feelings in your daily life and work to address them in a healthy way, a metaphor for a lack of communication with a person.