It has been speculated that the celebration means the x-factor. However, it seems that may not be the case (per Bryan Broaddus, here at 41:50
http://www.dallascowboys.com/multime...2-5f834faf9eba).
Bryan asked Dez about it. Dez said he would let everyone know at the end of the year. Though, apparently, it is believed to be for two children in New Jersey for the "make-a-wish-foundation".
Dez, at the end of the year will apparently reveal the exact meaning of it.