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Phrase(s): splash over
[for a volume of liquid] to overflow its container. • A lot of the coffee splashed over before I got to the table with the cup. • Don’t fill it so full and it won’t splash over., Phrase(s): splash something (all) over someone or something
to cause a liquid to overflow or engulf someone or something. • Tony splashed water all over Nick. • Who splashed milk all over the table?
McGrawhill's American Idioms And Phrasal Verbs