Grape-Smasher is a slur used to describe Italians in a derogatory way. Smash grapes with feet to make wine, hence grape smasher
The word Grape-Smasher is a racial slur that has been used historically to degrade and dehumanize italians. The word is still used by some people for this purpose, and it is seen as offensive and hurtful to italians. If you are unsure about whether or not it is appropriate to use the word Grape-Smasher, it is best to err on the side of caution and avoid using it in any situation.