Originally Posted by SilentKnight

Better yet...toss it in their mailbox.

Years ago we had this old french woman down the street who's dog always shit on our side lawn. I got fed up and walked a baggie of it down to her house and dumped it all in her mailbox...along with a note that said, "There's more where this came from. Keep your fucking dog off my grass!"

Put an end to it.

She died the next summer.