An underground organisation of scary looking clowns that are dedicated to the cause of curing Britain of the "chav" threat by any means. They have some notority both online, and offline.
Jack: Did you hear about all those chavvy kids who got attacked the other day? Reports said they were beaten down in broad daylight by a gang of clowns!
Jake: Yep, that's that awesome organisation "Clowns Who Kill Chavs". There's hope for Britain yet!!!