Here's what you definitely should not do after losing a darts match at the PDC World Championship:
Here's what people saw on TV:

Cameron Menzies got his ... uhh ... anger out.
Dude got so mad after losing the match and exiting the tournament in the first round that he did this:
[Warning: Blurred blood cuz he cut his hand]

Much credit to his opponent, Charlie Manby, for standing there with dignity and trying to shake his bloody hand.
Menzies apologized (sort of) after the match:

Maybe next year, Cameron. Maybe next year.
P.S. Now check out our latest video 👇