What is the meaning of Squish?

The sound or action of something, especially something moist, being squeezed or crushed.

A political moderate.

Marmalade.

To squeeze, compress, or crush (especially something moist).

To be compressed or squeezed.

A non-romantic and generally non-sexual infatuation with somebody one is not dating, or the object of that infatuation; a platonic crush.

Source: wiktionary.org