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1.
Adj. A way to describe a girl that is extremely unattractive.
Guy 1: Yo did you see that girl the other day?

Guy 2: Yea bro that bitch was pure krust. ewwwww!
by wikiwikiwiki123 July 21, 2009
 
2.
A bad thing. Shows huge disguist in a subject. A way of disrepecting a source in a respectful way.
That is so krusty....like Randal Goins.

wei is krust
by Brian and David December 27, 2003