Dream about vomiting plastic represents an aspect of your character and your strictness. Perhaps you have lost the autonomy to move forward toward your goals. Perhaps you are coming across as too indifferent. The dream refers to restrictions. Some unfamiliar feelings or thoughts may be breaking into your peace of mind.
Vomiting plastic dream is a premonition for a negative person who is working against you. Perhaps you need to be knocked into your senses. You are being devoured. It is a hint for an end of some negative relationship or some cycle. You are holding back something.
If you dreamt about vomiting plastic:
The endless chatter continues, but you will find that there is a new twist to the conversation. Someone is fighting back. Opposing opinions are struggling to be heard. Everyone may not be as agreeable as they have been during the past couple days.