RAHS is an acronym for 'Rallying and Hooting and Shouting, ' which are the cries of cheerleaders. Cheerleading is a sport that involves leading crowds in chants and cheers to support a team or organization. Cheerleaders use their voices to create a sense of enthusiasm and excitement, and their cries are often loud and enthusiastic. The term 'RAHS' is used to describe the loud and energetic cries of cheerleaders.