Yesterday as I was driving through town I saw a truck for one of those portable bathroom companies. I knew what it was, even before seeing the sign on the side, because it had (1) a portable toilet strapped on the back and (2) a large tank, presumably used for sucking the shit and pee out of other portable toilets.
And I got to thinking. Hey, what if there were another income stream possibility here? What about a sideline service called Tub o' Shit?
If someone is getting on your nerves, you could call the portable toilet people and ask them to tap their shit/pee tank, empty the contents into a bucket and deliver it to your victim.
Heating the bucket contents so they smell worse would be even better.