Related Clues:

• Shows anger, maybe
• Billy Idol "Rebel ___"
• Talk loudly
• Billy Idol's "Rebel ___"
• Oral outburst
• Tarzan movie sound effect
• Cheerleaders' routine
• Speak up, and then some
• The old students shout
• Company whose logo depicts two walking fingers
• Cheerleaders do it
• Make yourself heard?
• Give a holler
• Whoop it up?
• Rise above the din, say