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

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