The act of two women saving up their feces for an entire month, as the feces reach the peak of methane production they climb in and begin an act so vile. The two women begin taking clumps of feces and inserting it into their rectums, vaginas, and mouths. While this is going on a Mandingo party is raging on while a gentleman whispers in the womens' ears, "Better out and in, I always say."
My mandingo party was asked to help in a Two Girls, One Swamp party. It was a little smelly.
by SiranianHawk13 February 12, 2015
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A pun on the internet meme "Two Girls One Cup" depicting Princesses Peach and Daisy holding a One Up Mushroom.
Ever heard of two girls one cup?

yes and i prefer two girls one up.
by ShadowEan November 4, 2010
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2 naked girls poop into a cup
then they take turns drinking form the cup
then they throw up the poop back into the cup
then drink it again
go to google images and type in 2 girls one cup
by porcutee November 7, 2007
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A porn that involves lesbians causing each other to vomit, then playing with it before ultimately the one defecates into the other's mouth, and they traverse it between their mouths and so on.
"If you think Two girls one cup was bad, try watching two girls one finger."
by SKRealTime November 8, 2016
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Hungry bitches that eat each others poop then share another once again while embracing each other.
I want to do 2 girls one cup with you, but I want to do it twice so lets do 3 girls one cup.
by Mary Elizabeth Wilson December 5, 2017
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Cindy- i want your dinosaur cock
Amber- yeah gerorge fuck me
George The Dinosaur- rawr
Amber- oh yeah It turns me on when you rawr. Lets do two girls one dinosaur
Cindy-mmmmm,great idea
by A7xFalling In ReverseA7xBlink February 11, 2013
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