Denver was up, 35-21, on San Diego with under two minutes to go. A first down would ice the game. Peyton Manning really wanted that first down, and the Broncos fans cheering were not helping him get it:
HOW WILL MY MEN HEAR MY OMAHAS
Then one of his offensive linemen false started, and he was NOT HAPPY: 
On the one hand: dude! Let your fans be happy! On the other: being a curmudgeonly stickler for perfection is how you become one of the greatest quarterbacks of all time, and that extends to taking things really really seriously even when a win is all-but-guaranteed.
Manning went on to take issue with the scoreboard operator, who was apparently getting the crowd fired up with music and video during the possession in question, which is a first:
Peyton going off on the "scoreboard operator" for playing loud music, showing players dancing, showing Rivers. "It wasn't his best night."
— Mike Garafolo (@MikeGarafolo) October 24, 2014
Surely, Manning loves and appreciates Denver's fanbase, and this was just a moment of temporary frustration. But still. It's funny.
After the game, Manning explained his issue with the scoreboard operator.