The homeboy doesn't know who he's messing with.
So that's how you become a ninja?
You wouldn't want to mess with this kid.
The student isn't allowing himself to be attacked.
Perhaps he was trying to set the world record for fails?
The bigger they are, the harder they fall!
Broken knuckles and heads ensue. No boards were hurt in this demonstration.
He lacks the necessary ninja skills to pull this off.
Watch two ninja girls play a game of tag.