1. an inability to appreciate music

2. a person who does not appreciate music or has poor taste in music
My cousin had a major case of tin ear as a kid.
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A person with a tin ear is a hearing person who is accustomed to the sound of a deaf person's voice, and is better at understanding deaf people speak than most other hearing people.
Her brother is deaf and has speech, so she has a tin ear.
by JJKSW February 27, 2010
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To talk incessantly. A colloquialism. Origin. Gert Godfrey or likely one of her ancestors.
Adrian could talk a tin ear off a brass monkey
by James B. Beam May 27, 2023
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