Related Clues:

• Very funny fellow
• One way to run
• Pandemonium
• Brawl
• Run amok
• Tumult
• Free-for-all
• Civil disorder
• See 57-Across
• Reaction on a roller coaster
• Hit at Catch a Rising Star
• Real howler
• Riot
• Uproar
• Protest that gets out of hand