SGX 

a DJ.

The name is an abreviation for "Super Green X"

Which means, "Really cool"... "X"

GuyAtParty, "This shit is uber pwnage!1"

Guy2, "Feck yeah it is, it's SGX!!1"

SGX by ZT June 24, 2005

sgx 

sgx is an awesome human beeing

DU er det du ja! JA, du er HOMO!

sgx by Skjalg October 22, 2004

SGX is bringin' it down

A line from the song 4F73R M3 by SuperGreenX. The song is a cover of B4U by Naoki. This line is a fad among the Bemani crowd, mainly because, While SGX is a great musician, he tries to rap in the aforementioned song, with limited success.

SGX is bringin' it down
Wanna see you move when you hear my sound

SGX is bringin' it down by EnigmaticCoffeeCup November 14, 2004

SGXR 

Syko Ghetto X-treme Rides, a group of members from the MFA that specializes in cars.

SGXR by Anonymous September 17, 2003