The alien planet in Half-Life.
"I just got to Xen; how do I kill that giant headcrab?"
by 1337W422102 January 27, 2005
A man who contains sexiness, and has big fingers, or shoes. In some cases, he contains both.
"OMG,Xen i want you in bed!"
by lpwizard08 December 18, 2005
One who defeats everyone in both Return to Castle Wolfenstein and Aliens Versus Predator 2. Derived from a player's name, said to be the best in the world.
The "xen" killed every member of the opposing team with one panzerfaust shot.
by Anonymous October 25, 2003