Used by the underground hacking community to express the same meaning in the, now famous, word "n00b/noob". Used to describe a POSEUR
(not 'poser', learn to spell idiots) who claim they are hackers but actually don't even know how to overclock their pc.
Timmy: HEy guys!!!!11!!
x<0ver>x: Go away FOO.
Timmy: I am ahacker 2!
Timmy: I hacked Microsft today
Timmy: Hey, it says my computer is shutting down]
x<0ver.x: You deserve it.