If you see yourself being fat in a dream, then such dream symbolizes positive changes in your waking life. The other interpretation of the dream could also signify your apprehension of becoming fat. You wish to meet other peoples expectations. Consider that in reality fat people are discriminated more than the skinny ones. If you saw other people being fat, then such dream represents growth and prosperity. To get more detailed dream interpretation, please also see the meaning of Obese.
Read more about dreaming of Fat in other dream meanings interpretations.