To have the ability to completely humilate noobs at their own game or just absoloutely FUCKING OWN. It is derived from the latin word "radon" who is also a well known person who is quite "fwnage" at OpenArena and Guild Wars.
"Oh man, did you see that. He totally boom headshotted that mother fucker. It was pure fwnage..."
by Jordan Berlyn September 24, 2007