'squish' definitions:

Definition of 'squish'

From: WordNet
noun
The noise of soft mud being walked on
verb
Walk through mud or mire; "We had to splosh across the wet meadow" [syn: squelch, squish, splash, splosh, slosh, slop]
verb
Put (a liquid) into a container or another place by means of a squirting action

Definition of 'squish'

From: GCIDE
  • squish \squish\ (skw[i^]sh), v. i. [Perh. imitative. Cf. Squelch.] To make the sound of squirting water, like that made by the feet of one walking in mud or slush; to make a kind of gushing, swashing, or splashing sound; to move with such a sound. [PJC]

Definition of 'squish'

From: GCIDE
  • squish \squish\ (skw[i^]sh), n. A sound like that made by the feet of one walking in mud or slush; a gushing, swashing, or splashing sound; a squishing sound. [PJC]