Definitions by .N. Toxx:

6661 

Something related to Zacky Vengeance of A7X (Avenged Sevenfold).
He has a belt with it, but I'm not sure of the significance.

-Omg I wrote 6661 on my hand!!! I'm so a7Xcore!!!!!
-What does that even mean?
-I don't know...

6661 by .N. Toxx: January 14, 2007