talk someone's ear off

talk (one's) ear(s) off

To talk so much as to cause one 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. © 2015 Farlex, Inc, all rights reserved.

talk someone’s ear off

tv. to talk to someone endlessly; to bore someone with too much talk. Stay away from Mr. Jones. He will talk your ear off if he gets a chance.
See also: ear, off, talk
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.