When you come up with a fantastic idea only to be told that it has already been done, you may accuse the person who did it first of pregiarism-- pre-plagiarism.
Alice: Ok, so I had this fantastic idea for a superhero: he's a mutant, and he drains the life force of anyone he touches, so it's a great weapon but it also sucks because--
Bob: Yeah, that's Rogue. From X-Men.
Alice: ARRRRGGH stupid Marvel pregiarized my idea
To make someone and/or their wardrobe more preppy by:
(1) Buying them wear preppy/colorful clothing (e.g. polo shirts and pink skirts)
(2) Forcing them to play golf and/or tennis
(3) Making them wear their hair in a certain way
et cetera.
Also called "colorizing" when someone has proper preppy clothing but in colors that aren't so bright that they draw attention from everyone in the room, and you buy them/make them wear that sort of colored clothing.
Susan's grandmotheralways tries to prepperize her whenever she visits! She doesn't see that it's a hopeless cause..
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.