noun. Some scum is more verbose than others.
Real citation: "Don't you just love shrill nulabour spokescum attempting to justify the great leader on the box, though you have to admire their talent to weave fairy stories. To the dustbin of history with the lot of them!"
(July 11, 2008, The Telegraph, http://www.telegraph.co.uk/opinion/main.jhtml?xml=/opinion/2008/07/11/dl1101.xml)
Made-up citation: "All resumes for the position of administrative hellbeast should be directed to the spokescum, who will also discuss the senator's recent scandal involving underage meerkats."