eUNKNOWN 

The error a Radius Server gives when the user is unknown.

Your account is giving eUNKNOWN errors.

eUNKNOWN by eUNKNOWN.org March 24, 2005

eUNKNOWN 

When playing an online game and a real good player appears to come out of nowhere and dominates the game and no one knows who they are as they have no online profile and are simply going be eUNKNOWN

leet

Oh no. We have an eUNKNOWN in this game session

eUNKNOWN by Mike Dwayne Moore February 8, 2019