If you express yourself in very expressive way, then such dream signifies the fact that you are enjoying it and always show up yourself to those around you. The dream may also be interpreted as the indicator that you are a little bit arrogant while chatting with others. Make sure you pay attention to the colors of the peacock, as it will tell you more about your dream. The peacock with poor tale that has no colors in it or is much plucked, means that you are not being understood by those around you or you do not feel yourself anymore and someone put you in situation where which now you are being seen.
Read more about dreaming of Peacock in other dream meanings interpretations.