talk to hear (the sound of) (one's) own voice

talk to hear (the sound of) (one's) own voice

1. To speak about useless, pointless things; to talk without purpose. Look, this stuff is important, guys. I'm not just talking to hear the sound of my own voice. When kids get to their teenage years, they act like their parents talk to hear their own voices.
2. To speak in an arrogant, boastful, or egotistical manner. Every single week the boss calls us into the board room to have a team meeting. It's supposed to be so we're all on the same page, but really she just talks to hear her own voice. I've had a few professors who loved talking to hear the sound of their own voices and who got positively irritable whenever you challenged them on something.
See also: hear, own, sound, talk, voice
Farlex Dictionary of Idioms.

talk to hear one's own voice

Fig. to talk far more than is necessary; to talk much, in an egotistical manner. Oh, he's just talking to hear his own voice. Am I just talking to hear my own voice, or are you listening to me?
See also: hear, own, talk, voice
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

talk to hear one’s own voice

in. to talk far more than is necessary; to talk much, in an egotistical manner. Am I just talking to hear my own voice, or are you listening to me?
See also: hear, own, talk, voice
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • talk to hear one’s own voice
  • talk to hear own voice
  • (as) useless as tits on a nun
  • nun
  • be like talking to a brick wall
  • (as) useless as tits on a boar hog
  • be (of) no use to man or beast
  • be no good to man or beast
  • be no good/use to man or beast
  • footle around