Verb: the act of placing food on another person, and usually eating it off of them, for pleasure. A full-bodied food fetish. Commonly used in present participal form sploshing. Can also be used as a noun splosh.
"One of my friends is a chef and has some interesting kinks...she loves to have parties where she gets to splosh her lovers with her own culinary creations."
Noun: a sexual/sensual food party, in which participants cover each other in foods of different tastes, textures, and temperatures. eating the food off each other is optional. Nudity and sexual interactions often follow. Other common usages are the present verb splosh and the present participle verb form sploshing.
"We were at this sploshing party and my friend got covered in chocolate sauce and whipped cream, then they had her sit on a birthday cake! she really loved it!"