To dream of garbage represents thoughts, feelings, habits, or life situations that are unwanted. Garbage points to things in your life that are unproductive, or no longer needed to be happy. A belief or situation isn't helpful to you anymore. Unwanted emotional problems, unwanted health problems, unwanted relationships.
Negatively, dreaming about garbage may be sign that you are putting to much "crap' from other people. Feeling that you are unwanted or not respected. Being treated like a piece of garbage. Feeling surrounded by worthless options or choices. A low opinion of someone. Waking life situations where you may be experiencing an appalling conditions. Feeling that something is beneath you.
To dream of throwing something in the garbage represents feelings about beliefs, relationships, or situations that are unwanted. Negatively, it may reflect a lack of respect for other people's feelings, time, or property. Not valuing other people enough. Wasting your own power or resources in hasty overly emotional moments.
To dream of cleaning up garbage may reflect problem solving or fixing a situation that you feel is beneath you. Addressing bad habits.
Example: A young girl dreamed of someone throwing her pony in the garbage. In waking life she felt that her parents divorce was destroying her relationship with her father who liked to spend quality time with her.
Example 2: A young man dreamed of killing and throwing the dead body of his enemy in the garbage. In waking life he had gotten his first serious girlfriend and lost his virginity. The garbage scene may have symbolized his growing confidence allowing him to stop lying about having already lost his virginity to look good to friends. Metaphorically discarding his jealousy and need to be dishonest to feel respected by his friends.
Example 3: A young woman dreamed of throwing a body in the garbage. In waking life she felt that her relationship with her boyfriend was over and wanted to be rid of him from her life.
Example 4: A woman dreamed of police telling her that a person was a piece of garbage. In waking life she was being told by her jealous boyfriend not to meet someone. The statement about the person being a piece of garbage may have reflected the boyfriends low opinion of the person she planned to meet.
Example 5: A man dreamed of sitting on a garbage can like a homeless beggar and then wearing a sign around his neck that said "I make room for trash if need be." In waking life he was a Jewish man living in Nazi Germany with the new race laws enacted. As an assimilated Jew with the new laws he may have felt worthless or like a "piece of worthless trash" due to how he was being so easily discriminated against.