Dees-Right is a slur used to describe Arabs in a derogatory way. Arab people always ask "Is dees right, Is dees right?" (meaning 'is this right?')
The word Dees-Right is a racial slur that has been used historically to degrade and dehumanize arabs. The word is still used by some people for this purpose, and it is seen as offensive and hurtful to arabs. If you are unsure about whether or not it is appropriate to use the word Dees-Right, it is best to err on the side of caution and avoid using it in any situation.