Hunkie is a slur used to describe Hungarians in a derogatory way. Originally Hungarian American immigrants often used to include Ukrainians, Romanians immigrants from Communist block countries.
The word Hunkie is a racial slur that has been used historically to degrade and dehumanize hungarians. The word is still used by some people for this purpose, and it is seen as offensive and hurtful to hungarians. If you are unsure about whether or not it is appropriate to use the word Hunkie, it is best to err on the side of caution and avoid using it in any situation.