A squish is an aromantic crush (although not exclusive to aromantics), a desire for a strong platonic relationship with a person. Squishes are the platonic and aromantic equivalent to the romantic crush. A squish is a platonic attraction. You can have a squish and a romantic crush/partner, as (mentioned before) the terms squish is not only for those who are aromantic. Also, those on the aromantic spectrum that experience some (but little) romantic attraction may have a squish/squishes.