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1. To speak continuously and at length. Mary talked on for nearly two hours about her trip to Japan. The salesperson on the other end of the phone kept talking on and on, so I eventually just hung up on them.
2. To discuss or speak about something. The panel talked on the various challenges facing the environment today. They brought a police sergeant into the school to talk on the dangers of drug addiction.
3. To use some tool or instrument to speak to someone far away. Our daughter could spend the entire evening talking on the telephone, so we've started enforcing a 30-minute limit. Our field agents talk on short-wave radios so they can share their findings instantaneously.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
to continue to talk. The lecturer talked on for hours. How can anyone talk on so long without saying anything useful? talk on someone or something to speak on the subject of someone or something. Today, I will talk on Abraham Lincoln. Ann is going to talk on the subject of manners.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.