What is Spine Slide?
1.
When you snowboard up to a rail, but don't jump high enough to get on it, causing you to fall backwards and slide down the rail on your back.
"Dude, did you see that? I just grinded that rail on my back!"
"A spine slide?? That's more impressive than a real grind!"
See
Random Words:
1.
a place where those with cash to blow go to scare the shit out of themselves in a pleasing and fun manner. also a place to get overprice..