King of the hill is read as holding a top position against everyone trying to push you off. It speaks of ambition and how tiring it is to defend a place.
When this appeared in your dream, what were you feeling?
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.