It's been a while for this thread, though we've dealt with the concept elsewhere.

thersitical: loud and abusive, scurrilous

After Thersites, the gentlemen who is the first commoner in Western literature to challenge the authority of foolish rulers (in Homer's Iliad). As a result, he gets a sound beating for Odysseus and a nasty caricature from Homer -- and the Trojan War continues.