Another data point is the "Adherents of the Repeated Meme" from Dr. Who in 2005. https://tardis.fandom.com/wiki/The_End_of_the_World_(TV_story) https://tardis.f

Another data point is the "Adherents of the Repeated Meme" from Dr. Who in 2005. https://tardis.fandom.com/wiki/The_End_of_the_World_(TV_story) https://tardis.fandom.com/wiki/The_End_of_the_World_(TV_stor... And it is in line with the earlier, non-internet definition of "an element of a culture or system of behavior passed from one individual to another by imitation or other nongenetic means." (There's another definition related to funny things being repeated, as opposed to behavior).