Kaek is a slur used to describe Indians in a derogatory way. Thais, living in Thailand, refer to the Indians (who have been in Thailand for at least 200 years, I think) as Kaeks, which means "guest" in Thai. Take a hint, already, guys! The word may also be spelled "kak" or any other way you like, since Thais use a
The word Kaek 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 Kaek, it is best to err on the side of caution and avoid using it in any situation.