I believe he actually was cussing at himself. I’ll try to find a YouTube of it...
He starts scolding photographers or fans who are taking pictures when he misses a key putt and is down.....not just once but many times.....he also used language that had to be bleeped out......
He is not a kid anymore.....so at some point someone would get really pissed off if the smile doesn’t get cut to size when he is dominating and temper tantrums are not controlled when he is losing......