What is 4y304nj00n00b?
1337 for "I own j00 n00b" created as a user name for a "1337" player of Mechwarrior 4. The player was not 1337 at all, making this more funny n00b crap.
"4y304nj00n00b has Connected"
See pwn, j00, n00b, own, owned, pwned