deafamation
Derogatory/critical remarks/claims made in the presence of the person whom you're throwing under the bus, with the assumption that said criticized individual will not know what you're saying due to hearing-impairment.
A good example of deafamation's "coming back to bite you" is the classic humorous tale of the old fella who got a hearing-aid without his family's knowledge, and then he was able to repeatedly change his will while surreptitiously listening to the conversations of said family-members, since he now knew what they really thought of him and what their future plans were to spend whatever assets he'd originally been planning to leave to them.
deafamation by QuacksO May 20, 2019
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