VIDEO: Kings' Gay throws down two-handed jam, bench engages in odd celebration

Sacramento Kings forward Rudy Gay stands at 6-foot-8, and has a maximum vertical of 40 inches. His other-worldly athletic gifts enables him to do things like this:

[video courtesy of Kings Television Network]

Gay's dunk prompted teammates Quincy Acy and Jason Thompson to break out a rather unusual celebration routine on the bench. 

However, the real star here is Aaron Gray (on the right). At first, he celebrates with a solid fist-clench, but upon seeing the standard set by his teammates, he gives his mop cut a hesitant and confused rub.  

We're with you on that one, Aaron. What are they doing?

[Video courtesy of the Sacramento Kings]