Yurug is a slur used to describe Turks in a derogatory way. If one (as a foreigner) listens closely to conversation between Turkish people, it sounds like "yurug" appear quite often
The word Yurug is a racial slur that has been used historically to degrade and dehumanize turks. The word is still used by some people for this purpose, and it is seen as offensive and hurtful to turks. If you are unsure about whether or not it is appropriate to use the word Yurug, it is best to err on the side of caution and avoid using it in any situation.