DH has just come home from a department meeting (he's a civil servant) during which he had a heated rant about a colleague from a different division. He said he was "sly and devious troll who had the potential to be very dangerous". Quote.
He very rarely loses his cool, but this one was said infront of so many people who could report DH's words. What's the worst that can happen? Since this colleage is a bit of a troll who loves a bit of drama, DH is wondering whether any legal action can become of his rant. 