What is Crux?
1.
p33ning people in the face with burst fire famas
I just Cruxed him in the face from across the map
2.
The most difficult part. Used in many extreme sports to define the area of most dificulty.
Once you get passed the crux, you should be able to flash the rest.
3.
Anything hard to do, or accomplish.
Life can be such a crux...
See
4.
To accomplish something only a newbie would be proud of, then try to get a term named after yourself in a Wikipedia or other online dictionary.
"Yes! I killed three goombas in one jump! Did you see that?! I'm going to go write an article about how awesome I am!"
"Dude... stop cruxing and just play the game!"
See
5.
in the game of counter-strike a term coined to define hackers, usually they have very good aim and use simply wallhacks or esp in order to make themselves appear much better than they really are.
GODAMNT! That fucking nigger cruxed me, fucking ban his ass!