If you have dreamed of spitting a dog in your dream: You may have to deal with some chores related to your family, You may need to make important changes in order to explain what you want to say or what you want to do about some issues. Spitting a dog in a dream indicates talking behind other people's backs or having arguments with others, starting a fight and harming both yourself and your environment. It is a sign of going through a problematic phase.