talk oneself out

talk (oneself) out

To talk so much that one becomes exhausted or has nothing left to say. After discussing the issue for over an hour, I had pretty much talked myself out. My sister was really distraught about her breakup, so I just gave her a sympathetic ear while she talked herself out.
See also: out, talk
Farlex Dictionary of Idioms.

talk oneself out

to talk until one can talk no more. She talked herself out and was silent for the rest of the day. I talked until I talked myself out.
See also: out, talk
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • (all) talked out
  • wear (oneself) to a shadow
  • wear yourself to a shadow
  • be shot
  • be (one's) last resort
  • (there's) no peace for the weary
  • (there's) no rest for the weary
  • be beat
  • beat
  • last resort