Here's what I'm going to contribute to this, because it hasn't been said:
I've knocked many, many drinks over, or out of hands, in clubs and bars. My hands have never gone directly on top of, or into, them. That was an intentional movement.
And afterwards, I immediately apologized, helped clean up, and bought new ones. I have never just tried to Dance Like No One Is Watching that shyt away. That is some guilty-ass behavior.
Dude was trying his best to play it cool, forcing himself not to run, while stuck in an internal loop, "if you keep pretending like you're having fun, they won't realize what you were trying to do... Do. Not. Run. JUST KEEP DANCING!!!

"
Edit: just rewatched and his little homie peeped the camera, put his sunglasses on, and exited stage right. 50 guilty gif necessary