"meme
/mēm/
noun
an element of a culture or system of behavior that may be considered to be passed from one individual to another by nongenetic means, especially imitation.
▪️a humorous image, video, piece of text, etc., that is copied (often with slight variations) and spread rapidly by internet users."
Buzzwords ARE memes.
Perhaps you should have looked the word up first since you didn't know what it meant.