Description:

The term 'koro' has the base meaning of 'shit'. It can be used as a noun or a verb. It can also be used as a curse word or epithet, although it's mild enough that you can still use koro in polite company to talk about actual shit without getting in trouble.

Noun:

As a noun, koro means shit, manure, feces, stool, waste, etc. The derived form 'korokija' is a crude word for toilet (as in 'shitter')

Modifier:

As a modifier, koros means literally covered in waste, or metaphorically dirty or bad or uinfortunate;

Verb:

As as a verb, koro is an intransitive pali verb meaning to shit or defecate. It takes an absolutive subject, which is the entity shitting.