talk (one) ragged
To talk so much that one becomes bored and exhausted from listening. I went on a date with a girl last night, but she talked me ragged during dinner and I ended up leaving early. You need to keep your presentations varied and interesting. You can't just talk your audience ragged for an hour.
talk (oneself) ragged
To talk until one becomes exhausted or has nothing left to say. I had been talking myself ragged about the issue for nearly an hour. My sister was really distraught about her breakup, so I just gave her a sympathetic ear while she talked herself ragged.
talk someone ragged
Fig. to talk to someone too much; to bore someone. That was not an interview. She talked me ragged. He always talks me ragged, but I always listen.