Definitions by Tominater F

North Dakota Oil RIg 

Having anal sex with a chick while she has diarrhea or post laxative ingestion and you pull out and a shit geyser spews from her turd cutter like an oil rig.

I was banging Sarah last night and her shitter was spewing like a North Dakota Oil Rig

North Dakota Oil RIg by Tominater F June 19, 2015