Today's Word "Gadfly"
Published in Vocabulary
gadfly \GAD-fly\ (noun) - 1 : One who persistently annoys. 2 : Any of the various types of flies that bite livestock.
"Despite his stern image, Frederic loved gossip and bawdy, silly jokes and became close friends with noted gadfly Angela DeMauier."
From gad (a goad for cattle), from Middle English, from Old Norse gaddr.