For PIL's [[eroge]], see [[WAM xxxnovel-wetandmessy.com]].

Wet and Messy, a fetish revolving around gloopy, slimy, or wet substances and cute subjects covered in them.  Bodypaint can be messy, as can certain types of foodplay.

Somewhat rare in Anime/Manga style art, although certain sub-types (paint, nyotaimori) are gaining popularity.

Similar tags in Danbooru are [[nyotaimori]] (human plates), [[wet]], [[slime (substance)|]], [[paint]], [[bodypaint]], etc etc.