Even fiercer than we thought. 

VERY IMPORTANT UPDATE!!!: Some brand new, much better footage of the-dancing-with-attitude kid has been discovered. And, though it seems hard to fathom, he's dancing with even more attitude than originally assumed. There's no way to describe the level of attitude exuded by this kid. You'll just have to see for yourself:

You think you could pull off those skin-tight grid-pattern pants? Let me tell you something. You could not pull off those skin-tight grid-pattern pants. Not with your paltry supply of fierceness.

Sources: xbatusai | h/t Uproxx | h/t Paper | Justine David