Australian version for slay developed by a Latino-Croatian. It can also be a way to express your disatisfaction with a certain situation that is occurring. It can also be a synonym of the word PERIODT.
I went to a therapist today.
-Oh my God, SLUR!
I heard her say that he was retarded.
-Ew, Slur...
I GOT MY PERIOD, I'M NOT PREGUNTE!
-SLUR!