loctang
loctang is a widely known computer security specialist/computer hacker. His name became a compliment/insult, being called a loctang means you are an extremely knowledgeable piece of shit who needs to stay off computers before you start WW3 with your d4nk 1337 h4x0r skillz.
John: Yo did you see me boot that kid offline on Black Ops?
Bobbo: Yeah bro, you're a loctang!
Bobbo: Yeah bro, you're a loctang!