Let's see 'em. I'll start with a candidate: <iframe width="560" height="315" src="//www.youtube.com/embed/WVhAl1EnsBE" frameborder="0" allowfullscreen></iframe>
Obviously he got help ala "Chambers". But to me, the best part was how he was still able to get that one handed. Incredible.
I submit the 'best dunk with limited natural ability'. <iframe width="560" height="315" src="//www.youtube.com/embed/4cnbUVXAoUE" frameborder="0" allowfullscreen></iframe>
Ok the way he stared deep into the camera lens and licked his lips creeped me the f out... nice dunk tho.