• noun:   a public act of violence by an unruly mob
• noun:   a state of disorder involving group violence
• noun:   a wild gathering involving excessive drinking and promiscuity
• noun:   a joke that seems extremely funny
• verb:   take part in a riot; disturb the public peace by engaging in a riot

  Example: "Students were rioting everywhere in 1968"

• verb:   engage in boisterous, drunken merry-making

Related words...