Home › Words › U › upsplashupsplashupsplash means an upward splash; material splashed upwards.EtymologyFrom up- + splash.nounAn upward splash; material splashed upwards.e.g.“It half disintegrated on the way, crust and filling slapping against the train like an upsplash of mud.” — 2009, Glen David Gold, Sunnyside:verbTo splash upward.Definitions & examples from Wiktionary (CC BY-SA 3.0).