Just when I thought you reached the bottom of the stupid ditch... / you bring out excavating equipment!
A Captain Picard meme.
Captain Picard is Patrick Stewart as Jean-Luc Picard of the Starship Enterprise in Star Trek: The Next Generation. His expressions - the stern stare, the commanding gesture, the legendary facepalm - fit every reaction from disappointment to leadership. It's the meme for dignified exasperation.