Scotch is a slur used to describe Scottish in a derogatory way. Archaic synonym for "Scottish." Fell out of common use because of the association with whiskey, but now used occasionally as a derogatory term. Slur was used to invent the term (brand name) "Scotch Tape"
The word Scotch is a racial slur that has been used historically to degrade and dehumanize scottish. The word is still used by some people for this purpose, and it is seen as offensive and hurtful to scottish. If you are unsure about whether or not it is appropriate to use the word Scotch, it is best to err on the side of caution and avoid using it in any situation.