spatter (someone or something) with (something)
To splash or cover someone or something in drops, globs, or small amounts of some liquid. Hey, watch it—you're spattering me with paint! Make sure you change into some old jeans before you go on your walk. I don't want you to spatter your nice clothes with mud!
spatter someone or something with something
to splash someone or something with drops of a liquid or bits of something moist. Frank spattered us with grapefruit juice as he was eating a half of grapefruit. He even spattered the wall with juice.