Dreaming of a butter knife can symbolize feelings of inadequacy or frustration, as butter knives are generally not associated with power or strength. The emotional response of crying and screaming indicates that you might be experiencing underlying stress or unresolved emotions in your waking life. Slapping yourself with the knife suggests a struggle with self-criticism or a desire to release pent-up feelings.

This dream could be a reflection of a situation where you feel powerless or unable to express your true feelings. It might be helpful to explore what is causing these emotions in your life and consider addressing any frustrations or conflicts you are facing. Finding healthy outlets for your feelings, such as talking to someone you trust or journaling, can also be beneficial. Remember, acknowledging your emotions is the first step to healing.