Fecal Harrasment: The action of using fecal matter to to get on someone's nerves. This can become extremely annoying to the recipient.
Fecal Harrasment-
John: "Dude i fecally harrassed my sister last night and shit all over her face when she was sleeping last night."
Dave:"Dude! That's hilarious I smeared feces on my sisters pillow last night!"
John "LOL!"