1. Something like a "folder" with different compartments for every subject in school. So you can sort and archive your stuff from school in a "trapper keeper". Sometimes the trapper keeper has many more features, like cartman's trapper keeper: "Yeah well, its got ten different compartments for every subject in school, electronic pencil sharpener, four plastic bags with electronic zippers, copy machine, fax, a better picture of Dawson's Creek on the back than Kyle's, flat screen TV, and of course OnStar."

2. Cartman got a Dawson's Creek Trapper Keeper (Ultra Keeper Futura S2000). This trapper keeper is evil and will take over the whole world.

When someone goes to the gym and spends 90% of the time on their phones scrolling through social media

(n) An affectionate slang term for vagina, referencing an American brand of loose-leaf binder, popular with elementary/middle/high school students from the 1970s-1990s.

(noun)- an extremely persistent, persuing male or female. A stage 5 clinger.

(verb) a fuck boy tactic; impregnating. female for later use.

Used to describe one who commonly ends a night of partying early. Derived from the phrase "to fold" as in folding a poker hand, so one could be called a folder. An old popular name brand of folder used in school was the Trapper Keeper.