Usually, what Pantone colors are your urine, defecation, boogers, or other body products? (Blood, phlegm, bile, vomit, earwax, etc.)
Edit:
For pantone color charts go
here or
here or
here or just bing it.
Edit.2:
If you can't find an appropriate color on these charts, find a similar color swatch from another site, or just find the closest color and describe how the one you're looking for is different.