This wasn't just any money dance from Sen'Derrick Marks of the Jaguars:

That was the last play of the Jacksonville win, and that sack got Marks over 8 for the season (he was at 7.5), which means ...

So Sen'Derrick Marks sacks Charlie Whitehurst to end the game -- and pick up a $600,000 bonus for surpassing 8 sacks this season. — Michael DiRocco (@ESPNdirocco) December 19, 2014

Thus, that is the purest money dance we've ever seen. He's celebrating money. A terrific way to punctuate a win, and a reminder that sports contract incentives are very fun and very silly.