Related Clues:

• "Go Dolphins!"
• Words said over pom-poms
• Fan's outcry
• When doubled, super-enthusiastic
• Stands noise
• Match cheer
• Interjection derived from half of another one
• Cry of cheer
• When doubled, uncritically enthusiastic
• "Yay!" syllable
• Cheerleading syllable
• Howl of happiness
• Some cheer, a hooray?
• Pep rally syllable
• Cheer repeated before 'sis-boom-bah!'