A similar syndrome to Vietnam Syndrome, it occurs in those who have watched the viral video 2 girls 1 cup and cannot look at a piece of shit without having a flashback to the video. It is a branch of the much larger Viral video syndrome which includes BME Pain Olympics Syndrome and 2 Girls 1 Finger syndrome.

Thing 1: Dude, where's Grandma?
Thing 2: She was in the Bathroom and then started yelling at me "What's wrong with you? OHHHHHHH OHHHHHHHHHHH".
Thing 1: That's pretty weird.
Thing 2: Hey give her a break she has 2 girls 1 cup syndrome

by Chas A April 23, 2008
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You've all been taken in by an elaborate scam. The clue is in the dump, which just isn't authentic. It's probably a mixture of coffe cream cake filling and crunchy peanut butter. She's cleaned out her bowels first before introducing it, and because it is in such quantity, and is an alien product, her rectum is desperate to be rid of it. That is why she has no control over its ejection and it comes out so rapidly. The only kind of real dump that would expel so rapidly would be diarrhoea which would be a lot more fluid.
Re the puking - provided they regurgitate it immediately after swallowing it wouldn't contain any gastric juices, and would just about be palatable to the other girl, but all three times most of it misses the other girl's mouth and goes down her front anyway. Remember they could have many attempts at this before editing.
Other scams are the guy jizzing half a gallon onto a girls face (done with a tube held under his dick, to produce yoghurt or similar) and the guy still alive after being cut in half by a train. He is so obviously positioned between the sleepers where the ballast has been removed to accomodate his legs. If it had been true the push bars in front of the wheels would have rolled him and made it very messy.
2 girls 1 cup scam. Don't be so ready to believe what you see on the internet.
by Mexican Pete January 24, 2012
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A heartwarming documentary for the whole family. Themes and life lessons include: sharing, trust, palatable, ass chowder. In short, two same-sex baristas in a loving, long-term, committed, and consensual relationship get creative when they realize the refrigerator is out of service.
“Sweetheart I forgot to grab groceries again”

No biggie we’ll just 2 girls 1 cup it again tonight”

“love you hun
by Old Captain Handle May 26, 2019
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A porn video that shows 2 women shitting in a cup, eating it like my mom on fucking thanksgiving, and gag them selves to puke on the shit in the cup, and on each other. All in all, this video will fuckin traumatize you to the point you think hardcore gangbangs aren’t that bad.
Chad: I watched 2 girls 1 cup yesterday, and I have never seen anything more disgusting.

John: I warned ya, it is the most disgusting video on the internet.
by lukenolan06 December 23, 2019
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A game where a group of guys each get a cup and fill it with ice cream, preferably chocolate. Then while watching 2 girls 1 cup, for every moment that makes you feel like you have to puke, eat some ice cream. If you do puke, you must aim into the cup. The winner is the one who can last the entire video with the least amount ice cream/vomit in the cup.
Dude1: I was playing The 2 girls 1 cup game, and i only puked twice.

Dude2: Holy shit man, last time i played, i couldnt even last half the video.
by Dr.Strangelove2 August 11, 2009
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a video that gets everybody excited about being allowed to be sick and tune in for something and then walk away while it continues and creates dirty faggots who end up a problem...i start to believe in hillary clinton's taking things away for the common good

also, it wasn't shit...when you eat shit you die...it is 50% living matter
"what i doubly detest is feces, i will not eat it" - the book of the dead

2 dirty fags and an ugly mug (2 girls 1 cup)
by youstumped November 10, 2007
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