Dude- you might want to turn on the wipers, that guy in the car in front of us just gave us a dirty moon.
by wskiter November 13, 2009
Sitting down and taking a dump only to realize your out of toilet paper. So you have to get up and grab some with your pants down.
"I sat down and shit before I realized there was no toilet paper, so I had to get up with a Dirty Moon and use paper from the towel dispenser."
by coletolli August 30, 2012
The act of pressing your ass up against another persons ass and then letting out a juicy fart, thereby causing the fartee to whinge in disgust.
She was moaning on her hands and knees, cheeks spread with impatient anticipation of shelthing the throbbing red rod of pleasure when all of a sudden she felt a dank boggy stench roll up her back and tickle her nose as he came in for a Dirty Moon Landing.
by The_Manbeast June 6, 2017