You see... you got so excited that you got the piggyback who-carried-who backwards. Happens to the best of us, really.
There's certainly one guy in this video that's deserving of the Best-Friend-Ever-No-Seriously-You-Are-the-Best-Award.
Either it's been a really long day or he's doing his version of the worm that's a lot more like a slug.
Ahh, the graceful "slide-to-plank" routine. So difficult to pull off, and yet so hilarious.