look up any word, like pussy:
 
1.
xg
Extra Green, very green
This grass is xg! I need some xg mountain dew!
by Brown Spot January 10, 2008
 
2.
xG
A great CS clan based in Pakistan :P

xG is Xtreme Genocide
xG pwned j00!!
by dUkE April 21, 2004