perk up (one's) ears

perk up (one's) ears

1. To become more or particularly alert, intrigued, or enthusiastic. I perked up my ears when I heard that my favorite author had a new book coming out.
2. To cause one to become more or particularly alert, intrigued, or enthusiastic. I bet I know something that will perk up your ears: Rob is single again!
See also: ear, perk, up
Farlex Dictionary of Idioms.
See also:
  • cloth ears
  • perked
  • get (one's) ears lowered
  • prick up
  • come to/reach somebody's ears
  • keep (one's) ears open
  • pop (one's) ears
  • prick up (one's) ears
  • prick up its ears
  • prick up one's ears, to