Memetic = psychic power? No.
Memetic = things that make you go insane? Partially correct, but not always.
Memetic = an aura of magical bullshit? No.
Memetic = the word I sprinkled in at random to make my SCP articles seem more badass? No, and seriously, stop.
Memetic = Starfish and Fifth? You will see later.
Memetic is the transfer and mutation of information, specifically cultural information. In Foundation-verse, it means that you must understand the information for its anomalous effects to work.
Let’s say there is a memetic graffiti of one sunglasses, with the phrase “Deal with it” besides the drawing. After seeing it, you will start to compulsively draw sunglasses everywhere while telling everyone about how awesome this “deal with it” phrase is and its origin.
Its memetic effect is centered around the actual meme it is based on, thus it will only work on people who have seen the “deal with it” phrase and understand that it is an inte