Don't try this at home kids.
Both riders can't figure out how to get their bikes back!
A high school kid was showing off in the cafeteria but little did he know his teacher was down for a good ole dance off too.
Another snowmobiler goes down hard at the 2013 X-Games.
Goodnight, sweet dreams...
Poof! And just like that, he's gone. Ouch!
This kid is going to have an aching back for a while.