1 general:: Weary from speaking, as in I haven't another thing to say; I'm all talked out. [c. 1900] Also see TALK OUT.
American Heritage Idioms
2 general:: Phrase(s): talked out tired of talking; unable to talk more. • I can’t go on. I’m all talked out. • She was talked out in the first hour of discussion.
McGrawhill's American Idioms And Phrasal Verbs