The New Zealand team performed their haka dance before the game slightly confusing their U.S. team opponents. So fierce!
http://www.slate.com/blogs/the_slatest/2014/09/02/new_zealand_basketball_haka_the_kiwis_pre_game_dance_confuses_derrick_rose.html
It's super interesting, seeing modern interpretations of hakas. Not too long ago, I was doing some research on the Māori culture, and it is truly fascinating.
Here's another modern interpretation:
Yep - arenson9 is one fierce Chieftain! 
I'd follow him into battle. But I'd run away pretty quickly.