A rallying cry is a term used to describe an inspiring or motivating message, slogan or phrase that is meant to encourage and unify people around a common goal, cause or belief. It's often associated with leaders who use it to stir up enthusiasm among their followers, and can be used in various contexts such as politics, sports, business or even personal life. The term "rallying cry" implies that the message is powerful enough to motivate people to take action, come together and work towards a common objective.