Racially-Challanged is a slur used to describe Non-whites in a derogatory way. "Politically correct" way to insult people based solely on race.
The word Racially-Challanged is a racial slur that has been used historically to degrade and dehumanize non-whites. The word is still used by some people for this purpose, and it is seen as offensive and hurtful to non-whites. If you are unsure about whether or not it is appropriate to use the word Racially-Challanged, it is best to err on the side of caution and avoid using it in any situation.