Who doesn't know how to play tic-tac-toe? These two NBA fans.

Watch as these fans DESTROY a simple game of tic-tac-toe at a recent Trail Blazers game. They apparently have no clue how to play this childhood game and they step all over each other in the process of.

The commentary was great here. The announcer sounded like he couldn't believe what he was seeing. And neither could I.

Let's just hope it was their nerves kicking in and that they REALLY know how to play this simple game.