If you make a splash, you become noticed or become popular because of something that you have done. Now she's made a splash in the television show "Civil Wars."
What does making a splash mean?
: to attract a lot of attention in an exciting way The young director is making (quite) a splash in Hollywood. The news of her arrest made a huge splash.
What does splash mean in UK slang?
British, informal. : to spend a lot of money If you really want to splash out, let's go to dinner and a show in town.