Synonyms for Splosh (same or very similar meaning)
WordNet sense 1 (make a splashing sound):
slosh, slush, splash
WordNet sense 2 (walk through mud or mire):
slop, squelch, squish
WordNet sense 3 (cause (a liquid) to spatter about, especially with force):
sprinkle
WordNet sense 4 (dash a liquid upon or against):
plash, spatter, splatter, swash
From the ODE community, based on WordNet
add/edit