Squeezing a pimple is read as forcing out something that has been building beneath the surface. Tradition links it to self-consciousness and to irritations you want gone at once.
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.