A sexual act in which a man exposes his boner in a public outdoor area, wandering aimlessly while pointing it towards the ground. When he randomly chooses to stop, he immediately proceeds to rub one out on the ground beneath him. If asked what he is doing, he explains he is dowsing for a well.
1.) Jenny saw someone performing a dirty dowsing rod in Central Park this morning as she was going for a jog.
2.) Larry was arrested at 3pm today for performing a dirty dowsing rod.
A situation in which a heterosexual male human being is having anal sex with a female human being in the doggystyle position and a 2nd male enters the room and inserts his penis into the other male's anus from behind. The male in the middle is perplexed as to whether he should continue his anal sex with the woman while he gets it from behind or if he should just stop altogether.
Male 1: "I hooked up with the hottest girl at the club last night and everything was going fine until she surprised me with the dirt rod."
Male 2: "Oh man! So did you stop or continue?"
Male 1: "I finished and got the hell out of there!"
when a guy sticks his dick up a girls ass and wipes it on her upper lip. this is commonly confused with a dirty sanchez, when a guy fingers a girl and wiped his finger on her upper lip
Bob's girl loved when they performed dirty rodruigezes.