there are some things a black person can say that whites can't.

I completely disagree with this.

just because you are black doesn't give you permission to call anybody a w h o re.

and if you dont' want a term to be used, dont' use it.

i think your sentence should be, there are things a black person THINKS they can say....but in reality, no, they can't.   IT's just as repugnent for them to say it, whether they are ignorant to that fact or not is really besides the point.