Question: Krampus, the "Christmas Devil" of Austrian and Bavarian folklore, has entered the popular culture of North America; who noted,  that "thanks to the Internet and YouTube [Krampus] is now very much on America's Christmas radar", an Internet meme, is an activity, concept, catchphrase or piece of media which spreads, often as mimicry or for humorous purposes, from person to person, via the Internet?
Sentence (from "Internet meme"): Some examples include posting a photo of people lying down in public places (called "planking") and uploading a short video of people dancing to the Harlem Shake.
Relevant evidence: No