What does it mean when people say your bubble is popped?

When people say your "bubble is popped," it typically means that a person's illusions, naivety, or overly optimistic expectations have been shattered by a harsh reality or truth. This phrase often implies a loss of innocence or a realization that things are not as perfect or ideal as once believed. It can refer to personal experiences, relationships, or even broader societal issues. Essentially, it signifies a wake-up call that forces someone to confront reality.