spatter on someone or something
[for a liquid or something moist] to splash onto someone or something. When Kelly painted the hallway, a lot of paint spattered on the floor. The hot fat spattered on me.
spatter someone or something up
to get drops of a liquid or bits of something moist onto someone or something. The painter spattered his partner up when he dropped the paint bucket accidentally. The falling paint bucket spattered up the wall.
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.
spatter something around
to scatter bits or drops of a liquid or something moist here and there. Ted spattered paint around everywhere when he redecorated his kitchen. Don't spatter around the paint.
spatter something on(to) someone or something
to scatter or splash bits or drops of a liquid or something moist onto someone or something. Who spattered barbecue sauce onto the wall? The paint can fell and spattered paint on everyone.