It's all fun and games, until someone is eaten by a shark

Some idiots self-incriminated by posting videos of themselves taunting a great white shark.

Protip: "the great white shark was a protected species and a conviction for interfering with, harassing, molesting or killing a great white carries a penalty of up to $10,000."

http://www.abc.net.au/news/2015-01-13/fisheries-officers-hunt-for-boaties-who-harassed-shark/6013930