Heston snorted, his boots squishing in the muck as he turned back toward the house.

His boots squished when he moved.

Rom's boots squished as he trudged through the mound of replicated pasta and Vulcan brain tissue that now covered the deck behind the bar.

His boots squished rainwater.

He heard his boots squish in the mud as he moved past the tents of sleeping men.

His boots squish through the mixture of slush and mud that covers the paving stones.

My waterproof boots were now squishing audibly.

The marsh grew marshier, as such things tend to do, and my boots squished in it.