Related Clues:

• Crowd cry
• Halftime cry
• When repeated, an old-fashioned cheer
• Old college cheer
• Word of exhortation
• Crowd cheer
• Motivation exclamation
• 8-Across' shout
• When doubled, ardent
• Rooting word
• Booster's cry
• "Yay team!"
• Sound when the home team scores
• Cheery word?
• Cry that's a laugh backward