river ass

1. heavy perspiration in the butt crack
2. a variation on swamp ass
"It's so damn hot outside, I have river ass."
by Pat and Jack November 10, 2003
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Chocolate River

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.
"After giving my girlfriend the dirty sanchez she got her revenge with a chocolate river!"
by Willy's Wonka August 16, 2009
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muddy river

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 September 26, 2007
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River Job

When a mans nut is transfered from one asshole to another with ones mouth.
Jim river jobbed me last night, it was weird.
by Aldtai April 23, 2011
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River Swimmer

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
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River Billy

Any persons originating from the delta area of northern California, typically displaying distinct behaviors and mannerisms isolated to the region.
Wow, that Kelly sure is a river billy, she's delta through and through.
by J-st November 26, 2011
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River Pig

A trophy fish caught in a river. Usually any catch over a normal fish weight. Possibly an awesome name for a baseball team.
That River pig I caught yesterday weighed almost 5 pounds.
by Jelly or jam August 26, 2019
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