Dream about someone throwing acid is a portent for some sort of trouble that is entering your life. You are poking your head in places where you do not belong. It is time to leave behind past feelings and characteristics that are hindering your growth. It points to a fear of being trapped in some situation and not being able to get out of it. You feel that it is not the appropriate time to express your true desires.
Someone throwing acid dream expresses your worries over minor problems and small matters. You need to get out of your shell and be more sociable. A person cannot change who they are no matter how hard they may try. This points at an error in judgment or a mistake that you have made. You may have uttered some false or foul words and those words are coming back to haunt you.
If you dreamt about someone throwing acid:
You may find that you are feeling an uncharacteristic lack of confidence when it comes to your personal relationships today. You will be more aware of your shortcomings if you allow yourself to experience them directly. In fact, this can be the first step to a greater sense of awareness between you and your partner (current or prospective). Don’t fear what you see today; rather, learn from it.