Swatting or crushing insects is read as dealing with irritations head-on, and as impatience with the small things that keep getting in the way.
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.