A term from hardcore and fetish hentai for a person who's body is used for sex and not cared for in any other way. The idea is that bodily fluids are dumped into her in a way akin to a toilet.
The orcs referred to the elf princess as a "meat toilet" as they took turns using her body.
when you stop at a weigh side drunk and hungry you stumble into a pissy stall and find a tasty morselon the toilet seat that satisfies your hunger
Yo Howard! Yesterday after those jello shots I went to the park shitter and passed out, I came to so hungry that I went to the bathroom to eat the meatoff the toilet seat!