prick ears up

prick your ears up

also prick up your ears
to listen carefully If you hear my name mentioned, prick up your ears – I want to know what you find out.
See also: ear, prick, up

prick your ears up

  (informal)
to start to listen carefully to what someone is saying, often because you think you may find out something interesting
Usage notes: Many animals prick up (= raise) their ears when they hear something.
Eve pricked her ears up when she heard her name being mentioned.
See also: ear, prick, up