Flip-flops are read as easy summer days and a casual approach. Tradition also nods to the phrase itself — changing your mind back and forth on something.
Has this come up in your dreams before? What was going on in your life then?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.