Dream about trash cans is a hint for aspects of yourself that you are still trying to get to know. Your ways of thinking may be outdated. You are not saying what you really feel. Your dream is a warning alert for a desperate situation where you are feeling restricted and confined. After a long period of struggle, you will overcome some difficulties in your life.
Trash cans dream sadly draws attention to your yield to authority. You are shutting others out and not letting them in on your problems and feelings. You are lacking motivation. It is a symbol for your desires of being your own boss and making your own decisions. You lack respect for somebody.
If you dreamt about trash cans:
You tend toward silence quite often as a means to take control over certain romantic proceedings, or as way of making a point without actually having to make it.