Related Clues:

• Goes back and forth, as a tail
• Hilarious people
• Real knee-slappers
• Unruly disturbances
• Brain power
• Comedians' intelligence
• Revolting developments
• Violent public disturbances
• Guffaw evokers
• Widespread unrest
• Very funny people
• Life-of-the-party types
• They may stem from protests gone awry
• Clever types on the margins associated with wine and spirits
• They happen when Axl doesn't show