Last month, for instance, it started going around the web that “tag” (as in the game) was an acronym for “touch and go.” (Merriam-Webster was not amused.) “Etymythology [was] coined by the Yale linguist Laurence Horn for the general phenomenon of using fabricated etymologies (acronymic or otherwise) in the service of telling attractive origin stories, doing for words what Rudyard Kipling’s Just So Stories did for animals.”