He will return to the game, find it still in progress, and say something about people being incredibly… stubborn about winning, because looking onto his watch honestly, this should have ended an hour ago.
THEN McGonagall will ask him if he would please snap his fingers.
Cute, but it falls prey to the Wizengamot Mistake: the point of not leaving clues is not that the median person will understand the clue, but that any person might understand the clue. The benefit of such a move is that Harry gets to feel special; the detriment of such a move is that someone might notice that Harry is special. This is not worth it.
He will return to the game, find it still in progress, and say something about people being incredibly… stubborn about winning, because looking onto his watch honestly, this should have ended an hour ago. THEN McGonagall will ask him if he would please snap his fingers.
Cute, but it falls prey to the Wizengamot Mistake: the point of not leaving clues is not that the median person will understand the clue, but that any person might understand the clue. The benefit of such a move is that Harry gets to feel special; the detriment of such a move is that someone might notice that Harry is special. This is not worth it.
Then he merely has to mis-Time it and have it not have worked:)
On the other hand, I think he really has lots of stuff to do this hour, he simply will have no time for jokes.