This that off the glass, off the floor, off the board jam

from XV (Ft. Pusha T) – Awesome Remix Lyrics on Rap Genius

He’s referencing an old McDonalds commercial starring Michael Jordan and Larry Bird. They played a game of HORSE and kept coming up with crazy shots.

http://www.youtube.com/watch?v=_oACRt-Qp-s

He is also referencing the remade version with LeBron James and Dwight Howard as well. In the remake the rules, instead of no dunks just jumpers, were no jumpers just dunks. As he is talking about a dunk he is probably referencing both.

To help improve the meaning of these lyrics, visit "Awesome Remix" by XV (Ft. Pusha T) Lyrics and leave a comment on the lyrics box