The act of punching a woman in the abdominal region after performing anal intercourse; causing a large volume of human waste to be thrust out in a liquid form.
I was fucking Cindy last night and I decided to give her the old Muddy River. Sadly, I had to get new sheets.
by OG Pueblo October 9, 2007
Get the muddy rivermug. by Pat and Jack November 9, 2003
Get the river assmug. The chocolate river involves a girl eating a mass amount of taco bell, and then having vaginal sex from behind. During which she suprises him by unloading all of her diarrea onto the mans stomach, hips, and of course his genitals, making a sort of river from her anus.
by Willy's Wonka August 15, 2009
Get the Chocolate Rivermug. A sexual act where 3 or more men masturbate on a womans neck and all the sperm drips down her back to her ass hole.
by Thecincinnatistalker1657 April 9, 2010
Get the An Ohio Rivermug. A sexual position involving 1 male and 7 females. The male is using both hands to finger 2 of the girls, he is using his two big toes to pleasure 2 other females, there is a female sitting on his face, a female on his dick, and a female giving him a rimjob. There is an optional 8th female to poop on the group and do a Cleveland Steamroll.
Dirty Man Whore: "Man those sorority chicks really know how to get down, I did a river swimmer last night!"
by OreoCreamPie January 26, 2014
Get the River Swimmermug. A town in Baltimore County, MD that is dirty also named “Dirty River” and also known for drug dealers
by @NickBregoli March 11, 2018
Get the middle rivermug. by Aldtai May 14, 2011
Get the River Jobmug.