Which portmanteau that sounds like scary noodles refers to the urban legends, horror stories, and supposed 'first-person accounts' with the macabre that circulate online—for example, Slenderman?

The term meme was introduced in 1976 by British evolutionary biologist Richard Dawkins (author of "The God Delusion"). He conceived of memes as the cultural parallel to biological genes and considered them as being in control of their own reproduction.