Related Clues:

• Rallying word
• With 18 Down, gung-ho
• 'Wow,' in Black British vernacular
• Game noise
• Rowdy crowd sound
• Retro shout of support
• Fight-song encouragement
• Support syllable
• Classic cheer
• Bit of a cheer?
• When repeated, highly enthusiastic
• Retro encouragement
• “Let’s go, team!”
• “Go, team!”
• Quaint college cry