San Francisco 49ers head coach Jim Harbaugh is not known for being a cool customer on the sidelines. He’s known for acting like a petulant child.

Here he is displaying that trademark behavior late in the NFC Championship Game when a booth review went against his wishes.

Jesus. It would suck to be a guy who had to deliver bad news to ol’ Jimmy. Something tells us he doesn’t take disappointment well.

[H/T: SB Nation]