prick (one's) ears up

prick (one's) ears up

To suddenly pay close attention to something. Be sure to prick your ears up if anything about the case is mentioned. I can't help but prick my ears up if I hear someone say my name—even if they aren't talking about me.
See also: ear, prick, up
Farlex Dictionary of Idioms.
See also:
  • get (one's) ears lowered
  • pop (one's) ears
  • prick up (one's) ears
  • prick up ears
  • prick up its ears
  • prick up one's ears
  • prick up one's ears, to
  • prick up your ears
  • prick up
  • lower