one's ears are ringing

(one's) ears are ringing

One has a constant, high-pitched sound inside of one's ears as due to illness, an exposure to loud music, or a nearby percussive blast. The congestion in my head is so bad that my ears are ringing. Though thankfully no one was hurt by the explosion, our ears were ringing for days afterward.
See also: ear, ring
Farlex Dictionary of Idioms.

one's ears are ringing

Fig. [for someone's ears] to have a ringing sound because of an illness or other condition; very loud music, or some other very loud sound. After the explosion, my ears were ringing for hours. My ears are ringing because I have a sinus infection.
See also: ear, ring
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • (one's) ears are ringing
  • get (one's) ears set out
  • get ears set out
  • lower (one's) ears
  • lower ears
  • have (one's) ears lowered
  • beatbox
  • scream like a banshee
  • get (one's) ears lowered
  • shriek like a banshee