We've all heard about breaking someone's ankles with a crossover, but how about breaking someone's knee?

It was just a regular old student-faculty game, when suddenly all hell broke loose.

Dane Wissenbach found a teacher guarding him just in front of halfcourt and decided to put on a dribbling exhibition. Finally he unleashed a devastating crossover, which left the teacher lying on the floor.

That's worth seeing from another angle:

The crossover made the crowd go absolutely insane.

So much so that they were all blind to the fact that the teacher was actually seriously injured. He had to be helped off the court after reportedly dislocating his knee.

The teacher's knee will heal, but his ego? That remains to be seen.

Wink of the CBS eye to @AthleteSwag

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This kid actually injured his teacher with a crossover. Screen Shot/@AthleteSwag