To describe with the help of an adjective the activity of folding a poker hand. This usually happens when when one, over and over, obtains a set of cards like duce, seven off suit.
Tim: Here's another Folder in my cup...

Jayson: You want more coffee?

Tim: No I just have another shity poker hand!
by A Dutchman of poker October 29, 2010
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Someone that’s so bland, vapid, and empty in the head that they can only serve as a tool to put things in. They can also lack personality, but it’s not a requirement for classification. Usually referring to a person of the whitest of heritages, but can be of any heritage (especially if they have a colonialist mentality)
Most of the comments I’ve seen defending Trump on social media are written by Manila Folders that couldn’t compose a complete sentence to save their lives.
by celfri January 13, 2021
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a girl who is plain and boring, and brings nothing to the table.
Man your girlfriend sucks, the best part of her week is her book club meetings... you are dating a manilla folder.
by manilaasfuck May 27, 2012
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When an obese persons belly folds over their genitalia and they can't wash it thoroughly so a green fungi begins to grow in the fold.
Dude, that is some seriously nasty green folder, you should get it checked out.
by Goober February 20, 2015
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A folder, category, box, etc., that serves either no purpose or a purpose so small it's not worth keeping.
Person A: Why is there an empty box in the storage room?
Person B: In case we need to store any dirty diapers.
Person A: But we don't have any babies in the family.
Person B: That doesn't mean we'll never have any.
Person A: I'm not allowing a filler folder in this house!
by ChameleonDragon February 16, 2018
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folder: someone who folds
fold: Switch up on friends, significant other, coworker, etc. making plans then not following throgh
ex.#1
“you fold on me so much yo you might as well be a five star folder 📁 “

ex.#2
homie #1: “yo Jessica folded on me, we were supposed to hang but she ditched me to hang with Alyssa”

homie #2: “ Dog i told you Jessica is prude asf, just hook up with Alyssa to piss her prude ass off
by Bard Harberer April 12, 2020
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