To see a garbage can, symbolizes unwanted ideas, thoughts or memories. It is time to rid yourself of the baggage. Alternatively, the garbage can means that you are rejecting an idea or emotion.
Garbage can — a nasty situation at work, gossips; house scandal.
Getting rid of or cleaning out
Neglecting a responsibility or avoiding taking responsibility (by trying to toss them away—for example, throwing away a bill that's due or a report card you don't like)
Rejecting or rejection
Denial