Related Clues:

• What fans may do
• Outcry
• Angry talk
• Reach the hard-of-hearing?
• Tirade
• Cheerleader's routine
• Talk wildly
• Dennis Miller specialty
• Shriek
• "Gimme a C!" e.g.
• Act the demagogue
• Talk up a storm
• Cheerleader's forte
• Shout
• Speak up, really