Sentence:  [After they both fell into the lake.] Reaching the mainland some moments later and <WSD>squelching</WSD> back to the house, accompanied by Bobbie, like a couple of Napoleons <WSD>squelching</WSD> back from Moscow, [...] 
Meaning of the word marked with <WSD> tags:  to make a sucking, splashing noise as when walking on muddy ground