talk ear off

talk (one's) ear(s) off

To talk so much as to cause someone to be exhausted or bored. I love my Aunt Lily, but she'll talk your ear off if you let her! A: "How was your date?" B: "Eh, not great. She just talked my ears off about politics all night."
See also: off, talk
Farlex Dictionary of Idioms.

talk someone's ear off

Fig. to talk to someone endlessly; to bore someone with too much talk. My aunt always talks my ear off when she comes to visit. Stay away from Mr. Jones. He will talk your ear off if he gets a chance.
See also: ear, off, talk
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • talk somebody's ear off
  • talk someone’s ear off
  • talk (one's) ear(s) off
  • talk (one's) arm(s) off
  • talk someone's arm off
  • talk (one's) pants off
  • What's on your mind?
  • talk the hind leg off a donkey
  • talk the hind leg(s) off a donkey
  • talk at cross purposes