Dot Knot is a slur used to describe Indians in a derogatory way. Dot (red dot on forehead) Knot (turbins on Punjabs)
The word Dot Knot is a racial slur that has been used historically to degrade and dehumanize indians. The word is still used by some people for this purpose, and it is seen as offensive and hurtful to indians. If you are unsure about whether or not it is appropriate to use the word Dot Knot, it is best to err on the side of caution and avoid using it in any situation.