adorn (oneself) with borrowed plumes

adorn (oneself) with borrowed plumes

To make a showy display of something that is not truly one's own. I know you lied to me earlier about your involvement in this fair, so quit adorning yourself with borrowed plumes and tell me what you actually contributed.
See also: adorn, borrow, plume
Farlex Dictionary of Idioms.
See also:
  • adorn
  • borrow
  • plume
  • borrowed plumes
  • close the door to (something)
  • parade in front of
  • parade in front of (someone or something)
  • cut a (wide) swath, to
  • (from) top to toe
  • parade by