This video was posted just two days ago and already has nearly 500,000 views at the time of this writing. It features Christian Terrell, who is a 6'2" guard for a high school out of Jacksonville, Fla.
Watch him catch the outlet pass on the fast break where he comes in from the left hand side of the key and throws down one of the sickest slams I've ever seen a high school kid make.
Unreal, Christian. I'm very impressed, considering I'm 6'2" and can barely jump to reach the antacids in my medicine cabinet.