I've never gotten mad, not even or a second.
If you get mad over such simple things, you should probably seek help.
I've had a slew of foul words, the finger, even someone swerve after losing...
I just laugh and go on with my day. If you aren't mature to shrug off a loss, give a thumbs up and move on, you might be a danger to yourself or others.
CLIFFS:
IT'S SUPPOSED TO BE FUN