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!"
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Random Words:
1.
(1) The preferred term for ANYONE who is a hard working member of a high school, college or university marching band.
(2) any marching ..