fulminator

plural fulminators

1. One who fulminates, or criticizes intensely.

   Most fulminators dial once.

   1991 June 28, Michael Miner, “Tribune Staff Rider/New Comiskey: Photo Friendly?”, in Chicago Reader

   1 more example

   Instead of helping to educate his constituents or move the debate ahead, he provided more red meat for fulminators, erroneously insisting that the rival House health care bill features “a government program that determines if you’re going to pull the plug on grandma.”

   2009 August 24, “Who Wants to Yell Next?”, in New York Times