Sploshing is a form of wet and messy play that primarily involves ordinary gooey substances (food, paint, etc.) being misused for erotic purposes. Sploshing generally does NOT involve bodily fluids, that's another kink.
Katharine Gates has been collecting niche erotica since 1992. Her publishing company Gates of Heck was known for offbeat collaborations with artists like Annie Sprinkle (Post-Porn Modernist Playing Cards, 7 Men Inside Katharine), Joe Coleman (The Book of Joe), Gary Panter (Facetasm) and Art Spiegelman (The Narrative Corpse.) The first edition of Deviant Desires was published in 2000 by Juno Books. In 2006, Gates curated the year-long exhibition KINK:Geography of the Erotic Imagination at Museum of Sex in New York City. She has appeared on countless TV documentary shows such as HBO's Real Sex, BBC, and Discovery Channel. Her kinkmap has been published in College Sexuality textbooks.