squishy

Short definition from Wiktionary

Adjective

1. 1
   Yielding easily to pressure; very soft.
2. 2
   Yielding easily to pressure; very soft: Soft and wet.
3. 3
   Subjective or vague.
4. 4
   Politically moderate.
5. 5
   Vulnerable to physical damage; having low hit points or defense.
6. 6
   Making a squish sound.

Noun

1. 1
   A squeezable stress reliever, especially one made of foam.
2. 2
   A term of endearment.