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Phrase(s): slosh over
[for a liquid] to splash over its container. • The water in the wading pool sloshed over and made the grass slippery. • Don’t fill the glass too full. It will slosh over., Phrase(s): slosh something (all) over someone or something
to spill or splash a liquid over someone or something. • Laura tripped and sloshed the grape juice all over Martha. • Martin sloshed pancake batter over the side of the stove.
McGrawhill's American Idioms And Phrasal Verbs