Citations:Twittermob

Noun: "(usually pejorative) a group of Twitter users targetting an issue or individual, especially one that forms suddenly and is viewed as hostile"

 * 2011, Steven Baxter, "The press will not learn from the Chris Jefferies case", New Statesman, 30 July 2011:
 * We live in an age when the old media claim to be the voices of calmness and reason amid the storm, comparing themselves favourably with the lawless frontier towns and torch-wielding Twittermobs of social media.
 * 2012, Brendan O'Neill, "The Twitterstorm against Samantha Brick is infinitely uglier and nastier than the article she wrote", The Telegraph, 3 April 2012:
 * What is it about the era we live in that means these kind of Twittermobs can emerge with such speed and ferocity?
 * 2012, David Banks, "How do you prosecute a Twittermob?", 26 April 2012 (used in title only)
 * 2012, Brendan O'Neill, "The twitch-hunting of Nick Griffin shows just how irrational and out of touch Twitter can be", 19 October 2012:
 * What a moral chasm there is between the hopping madness of the Griffin-mauling Twittermob – which spent the past 24 hours calling on the cops to arrest Griffin for allegedly threatening to unleash a “gay hate lynch mob” – and the level-headedness of one of the men who would have been a victim of this alleged mob.