fad
noun
- thing or behavior that achieves intense short-lived popularity and then fades away
Wiktionary
Pronunciation: /fæd/
noun
Etymology: Of English dialectal origin. Further origin obscure. Possibly from Old English ġefæd (“order, decorum”) (compare Old English ġefæd (“orderly, tidy”), fadian, ġefadian (“to set in order, arrange”), whence Middle English faden (“to arrange”)); or from French fadaise ("a trifling thought"; see fadaise).
- A phenomenon that becomes popular for a very short time.
“You're a fad, that means you're something that we've already had, but once you're gone, you don't come back.”
“The pet rock fad was started by an advertising executive named Gary Dahl. The premise was simple: take ordinary rocks, glue eyes on them, and market them as pets.”