Top Definition
The most difficult part of a task. Often used in climbing to describe the hardest move on the wall.
Dude the krux of that route was that killer roof at the top!
by skk October 08, 2006
To be so loyal to a specific media information platform/program that you deny yourself informative/entertaining media formats not supported by said software.
I tried to show him that damn "My Chemical Romance" video but his Mozilla using ass was going all krux on me.
by U+V March 06, 2005
To prefer an internet browser to the point that you will refuse another browser that supports a media format/feature that your chosen browser will not.
I tried to show him that bad ass new "My Chemical Romance" video but that mozilla using bastard was straight Kruxing it.
by THCNET Crew March 05, 2005
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