Sayeedi/Saeedi is a slur used to describe Egyptians in a derogatory way. Used by Cairenes to refer to inhabitants of Upper Egypt.
The word Sayeedi/Saeedi is a racial slur that has been used historically to degrade and dehumanize egyptians. The word is still used by some people for this purpose, and it is seen as offensive and hurtful to egyptians. If you are unsure about whether or not it is appropriate to use the word Sayeedi/Saeedi, it is best to err on the side of caution and avoid using it in any situation.