a seven-day wonder

seven-day wonder

A person or thing that generates interest for only a short amount of time. The band's biggest fear was becoming a seven-day wonder, soon to be forgotten when the next big sound hit the airwaves.
See also: wonder
Farlex Dictionary of Idioms.

a seven-day wonder

Fig. a person or a process supposedly perfected in only seven days. (Sarcastic.) Tommy is no seven-day wonder. It took him 6 years to get through high school!
See also: wonder
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • seven-day wonder
  • a one-day wonder
  • one-day wonder
  • nine-day wonder
  • nine-day wonder, a
  • nine day wonder
  • nine days' wonder
  • a nine days' wonder
  • a wonder lasts but nine days
  • wonder