Short for Assassin, a character in Diablo II: Lord of Destruction characterized by using stationary traps to kill enemies then run. Generally regarded with a mixture of fear and disgust unless of the martial arts variety, which is rare.
"hey dude can you get your asn i want to tg this nking mofo we finally got down"
Arm Sock Nation. A little known gang from Livonia, Michigan. Founded when matching arm socks were bought by the two founding members, Octo and Travis. This gang has it's own personal set of slang created over time, which can now be found in the Urban Dictionary. They are (or have been) at war with Insane Beaver Clan, and an unnamed gang formed by a yeti (as defined by Octo).
A.S.N. is so strong, they're like a family. And not the lame kind like a Juggalo family, but the strong kind.