Splosh and Sploshing often mean two quite different things.

The Urban Dictionary defines 'sploshing' as a noun: "a sexual/sensual food exchange, in which at least one person covers another person in foods of different tastes, textures, and temperatures." However in its example, 'sploshing' is used as a verb. Many definitions include 'WAM' and 'fetish'.

The vast majority of "Splosh" in book titles are for children's books and an Amazon book search using 'Splosh' returns my stories, Splosh! magazine covers but mostly children's books. Searching with 'Sploshing' returns mostly wet and messy sex books. Many dictionaries define 'splosh' as a synonym for 'splash'. On the internet, adding 'ing' is more likely to lead to WAM-friendly sites.

Splosh! was the name of the magazine founded by Bill Shipton, back issues of which can occasionally be found.