File :-(, x, )
Challenge! Rock
I think I've found something even /d/ can't rule 34...

KIDNEY STONES!
>> Anonymous
I think rule 34 needs reevaluation
>> Anonymous
do you mean kidney stone fucking? Or some sort of sex invovling someone passing kidney stones?
>> Anonymous
/d/ isn't /34/.
>> Rock
Maybe a girl getting off to a guy passing one or a bj while he's passing it!
>> Rock
/d/ may not be rule 34, but kidney stones are unpleasant and unusual enough to be /d/
>> Treefire !sOEPmGyDXo
Age. I think this can be found.

262,000 hits for Kidney Stone Fetish
472,000 hits for Kidney Stone Porn

Unfortunately, most are a story about kidney stones, then the title of a story about porn.

But I bet I can find it.