I'm embarrassed to admit this, but I always assumed a fecal transplant went in the other door

EDIT: looks like I was right, it can be done that way: https://en.wikipedia.org/wiki/Fecal_microbiota_transplant#Me...

Suppository.

I mean the word transplant implies that it does not go in the mouth. Unless the patient uh... does things a little differently.

It many times is just someone else’s poop put into your butt