splash on (someone or something)
1. To slosh or spatter onto someone or something. Water kept splashing on me during the boat ride. Someone bumped the table, and red wine splashed on the brand-new tablecloth.
2. To cause some liquid to slosh or spatter onto someone or something. Mom! Timmy's splashing water on me! Keep a lid on the pan while you're cooking the bacon so it doesn't splash grease on the stove.
splash something on(to) someone or something
to make a liquid scatter onto someone or something. Accidentally, the lab assistant splashed acid onto his arm. He splashed something on the counter.
splash on someone or something
to scatter [a liquid] on someone or something. Try to keep from splashing on anybody. Don't splash on the wall!