Related Clues:

• Unruly groups
• Gangs
• Rabbles
• Swarms on
• Crowds around noisily
• Pitchfork-wielding groups
• Swarms around
• Crowds around
• Uncontrollable masses
• After-Christmas sale shoppers, e.g.
• Rowdy crowds
• Crowds with a mission
• Greets with too much enthusiasm
• Angry throngs
• They're hard to control