This dream may symbolize a power struggle or conflict in your waking life. The ice cream store represents a place of enjoyment and indulgence, but it becomes a source of tension and anger when the ice cream man refuses to let your sister choose her own flavors. This could represent a situation where someone is trying to control or limit your choices and desires. Your dad’s intervention may suggest that you are seeking guidance or support from a parental figure in this situation. The violent and bloody outcome may reflect your fear and anxiety about the potential consequences of standing up for yourself or asserting your own needs. This dream may be a reminder to assert your own agency and not let others dictate your choices and actions. It could also be a warning to be cautious of potential conflicts or power struggles in your waking life.