filler folder

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!

mattress folder

When they fuck you so good you grab onto the mattress and bend it...in a sense folding it

Bro my girl is so good in bed. Really mattress folder good?? Hell Ya she is a mattress folder.

beef folders

beef folders (pl. noun) slang for unusually large or loose labia majora, especially those with abnormally dark coloration.

I was going to bang that cheerleader Jill but when I got down there her beef folders were so loose it made me wonder if the rest of the football team had already got in her panties tonight.

folder talk

"Folder talk" is a term for when someone is telling a you story and they change the subject in the middle of it,

creating a "folder inside of a folder". (A "folder" means a story/subject).

I am credited with introducing the term "Folder talk".
The idea for the name for the term sources from me being unable to finish a story without going into very unimportant details about a completely different story for the reason of me having a fear of being misunderstood which results in always creating a folder inside of a folder inside of another folder.

Folder talking might be irritating at times, but it's important to remember that a person who folder talks can't help it.
It's necessary that you sit through the whole story, act like you are invested, interested and fully understand it.

Me: "I once overheard a conversation of two people sitting next to me on the bus, they were talking about-

Oh, that just reminded me, have I ever told you about that one time that I-"

Y/N: "YO, STOP FOLDER TALKING!"

Me: "Oh, sorry!"